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MCQOPTIONS
This section includes 2670 Mcqs, each offering curated multiple-choice questions to sharpen your Railways knowledge and support exam preparation. Choose a topic below to get started.
| 2601. |
Match List-I with List-II and select the correct answer using the codes given below the lists: List-I (Material) List-II (Applications) A. Tungsten carbide 1. Abrasive wheels B. Silicon nitride 2. Heating elements C. Aluminium oxide 3. Pipes for conveying liquid metals D. Silicon carbide 4. Drawing dies Codes: |
| A. | A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2 |
| B. | A\[\to \]4, B\[\to \]3, C\[\to \]2, D\[\to \]1 |
| C. | A\[\to \]3, B\[\to \]4, C\[\to \]2, D\[\to \]1 |
| D. | A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| Answer» E. | |
| 2602. |
Which of the following display properties similar to that of steel? 1. Black-heart cast iron 2. White-heart cast iron 3. Gray cast iron 4. Pig iron |
| A. | 1 and 2 only |
| B. | 3 and 4 only |
| C. | 2 and 4 only |
| D. | 1 and 3 only |
| Answer» B. 3 and 4 only | |
| 2603. |
Machine tool frame should have: |
| A. | High rigidity to weight ratio |
| B. | Graphite in the form of nodules |
| C. | Low hardness |
| D. | High work hardness. |
| Answer» B. Graphite in the form of nodules | |
| 2604. |
Small percentage of boron is added to steel to: |
| A. | Increases hardenability |
| B. | Reduce machinability |
| C. | Increases wear resistance |
| D. | Increase endurance strength. |
| Answer» B. Reduce machinability | |
| 2605. |
Match List-I with Li.st-II and select the correct answer using the codes given below the lists: List-I List-II A. Air 1. Direct contact freezing of food B. Ammonia 2. Centrifugil compressor system C. Carbon dioxide 3. Large industrial temperature installation D. Refrigerant-11 4. Automotive air conditioners. 5. Aircraft refrigeration Codes: |
| A. | A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| B. | A\[\to \]5, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| C. | A\[\to \]2, B\[\to \]4, C\[\to \]3, D\[\to \]5 |
| D. | A\[\to \]5, B\[\to \]3, C\[\to \]2, D\[\to \]1 |
| Answer» C. A\[\to \]2, B\[\to \]4, C\[\to \]3, D\[\to \]5 | |
| 2606. |
Consider the following statements: A decrease in evaporator temperature of a vapour compression machine lead to: 1. An increase in refrigerating effect 2. An increase in specific volume of vapour 3. A decrease in volumetric efficiency of compressor 4. An increase in compressor work. Of these statements: |
| A. | 1, 3 and 4 are correct |
| B. | 1, 2 and 3 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 2 and 4 are correct. |
| Answer» B. 1, 2 and 3 are correct | |
| 2607. |
A pressure gauge on discharge side of a refrigerant compressor reads too high. The reason could be: 1. Lack cooling water 2. Water temperature being high 3. Dirty condenser surface 4. Refrigerant temperature being too high Of these reasons: |
| A. | 1, 2 and 4 are valid |
| B. | 1, 2 and 3 are valid |
| C. | 2, 3 and 4 are valid |
| D. | 1, 2 and 4 are valid. |
| Answer» C. 2, 3 and 4 are valid | |
| 2608. |
In a PERT network, expected project duration in found to be 36 days from the start of the project. The variance is four days. The probability that the project will be completed in 36 days is? |
| A. | Zero |
| B. | 0.34 |
| C. | 0.5 |
| D. | 0.84 |
| Answer» D. 0.84 | |
| 2609. |
Consider the specific speed ranges of the following types of turbines: 1, Francis 2. Kaplan 3. Pelton The sequence of their Specific speed in increasing order is: |
| A. | 1, 2, 3 |
| B. | 3, 1, 2 |
| C. | 3, 2, 1 |
| D. | 2, 3, 1. |
| Answer» C. 3, 2, 1 | |
| 2610. |
Consider the following statements regarding a torque converter: ' 1. Its maximum efficiency is less than that of the fluid coupling 2. It has two runners and a set of stationary vanes interposed between them. 3. It has two runners. 4. The ratio of secondary to primary torque is zero for the zero value of angular velocity of secondary. Which of these statements are correct? |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 1 and 4 |
| D. | 2 and 4 |
| Answer» E. | |
| 2611. |
Given that N = speed, P = Power, H = heat The specific speed of a hydraulic turbine is given by: |
| A. | \[\frac{N\sqrt{P}}{{{H}^{4/5}}}\] |
| B. | \[\frac{N\sqrt{P}}{{{H}^{5/4}}}\] |
| C. | \[\frac{P\sqrt{N}}{{{H}^{4/5}}}\] |
| D. | \[\frac{P\sqrt{N}}{{{H}^{5/4}}}\] |
| Answer» C. \[\frac{P\sqrt{N}}{{{H}^{4/5}}}\] | |
| 2612. |
In reaction turbines, the draft tube is used: |
| A. | For the safety of the turbine. |
| B. | To convert the kinetic energy of flow by a gradual expansion of the flow cross-section. |
| C. | To destroy the undesirable eddies. |
| D. | For none of the above purposes. |
| Answer» C. To destroy the undesirable eddies. | |
| 2613. |
Consider the following statement: If pump NFSH requirements are not satisfied, then 1. It will not develop sufficient head to raise water. 2. Its efficiency will be low. 3. It will deliver very low discharge. 4. It will be cavitated. Of these statements: |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 4 are correct |
| C. | 2, 3 and are 4 correct |
| D. | 1, 2, 3 and 4 are correct. |
| Answer» E. | |
| 2614. |
Consider the following statements: 1. Gases are considered incompressible when Mach number is less than 0.2 2. A Newtonian fluid is incompressible and non- viscous 3. An ideal fluid has negligible surface tension which of these statements (s) is/are correct? |
| A. | 2 and 3 |
| B. | 2 alone |
| C. | 1 alone |
| D. | 1 and 3 |
| Answer» C. 1 alone | |
| 2615. |
Velocity distribution in a turbulent boundary layer follows: |
| A. | Logarithmic law |
| B. | Parabolic law |
| C. | Linear law |
| D. | Cubic law |
| Answer» E. | |
| 2616. |
The coefficient of friction \[f\] in terms of shear stress \[{{\tau }_{0}}\] is given by: |
| A. | \[f=\frac{\rho {{v}^{2}}}{2{{\tau }_{0}}}\] |
| B. | \[f=\frac{{{\tau }_{0}}}{\rho {{v}^{2}}}\] |
| C. | \[f=\frac{2{{\tau }_{0}}}{\rho {{v}^{2}}}\] |
| D. | \[\frac{2\rho {{v}_{0}}}{{{\tau }_{0}}}\] |
| Answer» D. \[\frac{2\rho {{v}_{0}}}{{{\tau }_{0}}}\] | |
| 2617. |
Velocity defect in boundary layer theory is defined as: |
| A. | The error in the measurement of velocity at any point in the boundary layer |
| B. | The difference between the velocity at a point within the boundary layer and the free stream velocity |
| C. | The difference between the velocity at any point within the boundary layer and the velocity nearer the boundary |
| D. | The ratio between the velocity at a point in the boundary layer and the free stream velocity. |
| Answer» D. The ratio between the velocity at a point in the boundary layer and the free stream velocity. | |
| 2618. |
Fluid flow rate Q, can be measured easily with the help of a venturi tube, in which the difference of two pressures, \[\Delta \,P,\] measured at an upstream point and at the smallest cross-section of the tube, is used. If a relation \[\Delta \,P\propto {{Q}^{n}}\] exists, then n is equal to: |
| A. | \[\frac{1}{3}\] |
| B. | \[\frac{1}{2}\] |
| C. | 1 |
| D. | 2 |
| Answer» E. | |
| 2619. |
The correct sequence of the given materials ascending order of their weldability is: |
| A. | MS, copper, cast iron, aluminium |
| B. | Cast iron, MS, aluminium copper |
| C. | Copper, cast iron, MS, aluminium |
| D. | Aluminium, copper, cast iron, MS |
| Answer» E. | |
| 2620. |
Which of the following joining processes are best suited for manufacturing pipes to carry gas products? 1. Rivetting 2. Welding 3. Bolts and nuts Select the correct answer using the codes given below: Codes: |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 alone |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 2621. |
A rod of material with \[E=200\times {{10}^{3}}\] MPa and \[\propto ={{10}^{-\,3}}\text{mm/mm }\!\!{}^\circ\!\!\text{ C}\] is fixed at both the ends. It is uniformly heated such that the increase in temperature is\[\text{30 }\!\!{}^\circ\!\!\text{ C}\]. The stress, developed in the rod is |
| A. | \[6000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile) |
| B. | \[6000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Compressive) |
| C. | \[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile) |
| D. | \[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Compressive) |
| Answer» C. \[2000\,\,\text{N/m}{{\text{m}}^{\text{2}}}\](Tensile) | |
| 2622. |
For a composite consisting of a bar enclosed inside a tube of another material when compressed under a load 'W? as a whole through rigid collars at the end of the bar. The equation of compatibility is given by (suffixes 1 and 2) refer to bar and tube respectively: |
| A. | \[{{W}_{1}}+{{W}_{2}}=W\] |
| B. | \[{{W}_{1}}+{{W}_{2}}=\text{constant}\] |
| C. | \[\frac{{{W}_{1}}}{{{A}_{1}}{{E}_{1}}}=\frac{{{W}_{2}}}{{{A}_{2}}{{E}_{2}}}\] |
| D. | \[\frac{{{W}_{2}}}{{{A}_{2}}{{E}_{1}}}=\frac{{{W}_{2}}}{{{A}_{1}}{{E}_{2}}}\] |
| Answer» D. \[\frac{{{W}_{2}}}{{{A}_{2}}{{E}_{1}}}=\frac{{{W}_{2}}}{{{A}_{1}}{{E}_{2}}}\] | |
| 2623. |
A simply supported beam with width 'b' and depth ?d? carries a central load Wand undergoes deflection 8 at the centre. If the width and depth are interchanged the deflection at the centre of the beam would attain the value: |
| A. | \[\frac{d}{b}\delta \] |
| B. | \[{{\left( \frac{d}{b} \right)}^{2}}\delta \] |
| C. | \[{{\left( \frac{d}{b} \right)}^{3}}\delta \] |
| D. | \[{{\left( \frac{d}{b} \right)}^{3/2}}\delta \] |
| Answer» C. \[{{\left( \frac{d}{b} \right)}^{3}}\delta \] | |
| 2624. |
A plane stressed clement is subjected to the state of stress given by \[{{\sigma }_{x}}={{\tau }_{xy}}=10\,\text{kgf/c}{{\text{m}}^{\text{2}}}\] and \[{{\sigma }_{x}}=0.\] Maximum shear stress in the element is equal to: |
| A. | \[50\sqrt{3}\,\text{kgf}\,\,\text{c}{{\text{m}}^{\text{2}}}\] |
| B. | \[100\,\text{kgf/c}{{\text{m}}^{\text{2}}}\] |
| C. | \[50\sqrt{5}\,\text{kgf/c}{{\text{m}}^{\text{2}}}\] |
| D. | \[150\,\text{kgf/c}{{\text{m}}^{\text{2}}}\] |
| Answer» D. \[150\,\text{kgf/c}{{\text{m}}^{\text{2}}}\] | |
| 2625. |
Match List-I (Elastic properties of an isotropic elastic material) with0 List-II (Nature of strain produced) and select the correct answer using the codes given below the list: List-I List-II A. Young's modulus 1. Shear strain B. Modulus of rigidity 2. Normal strain C. Bulk modulus 3. Transverse strain D. Poisson's ratio 4. Volumetric strain Codes: |
| A. | A\[\to \]2, B\[\to \]1, C\[\to \]3, D\[\to \]4 |
| B. | A\[\to \]2, B\[\to \]1, C\[\to \]4, D\[\to \]3 |
| C. | A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2 |
| D. | A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| Answer» C. A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2 | |
| 2626. |
In a thick cylinder, subjected to internal and external pressures, let \[{{r}_{1}}\] and \[{{r}_{2}}\] be the internal and external radii respectively. Let u be the radial displacement of a material element at radius \[r,{{r}_{2}}\ge {{r}_{1}}.\] Identifying the cylinder axis as z axis, the radial strain component \[{{\varepsilon }_{r}}\] is: |
| A. | \[u/r\] |
| B. | \[u/\theta \] |
| C. | \[du/dr\] |
| D. | \[du/d\theta \] |
| Answer» D. \[du/d\theta \] | |
| 2627. |
The state of plane stress in a plate of 100 mm thickness is given as \[{{\sigma }_{xx}}=100\,\text{N/m}{{\text{m}}^{\text{2}}}\text{,}\] \[{{\sigma }_{xy}}=200\,\text{N/m}{{\text{m}}^{\text{2}}}\] Young's modulus \[=300\,\text{N/m}{{\text{m}}^{\text{2}}}\] Poission?s ratio = 0.3 The stress developed in the direction of thickness |
| A. | zero |
| B. | \[90\text{ }N/m{{m}^{2}}\] |
| C. | \[100\text{ }N/m{{m}^{2}}\] |
| D. | \[200\text{ }N/m{{m}^{2}}\] |
| Answer» C. \[100\text{ }N/m{{m}^{2}}\] | |
| 2628. |
The bending moment (M) is constant over a length segment / of a beam. The shearing force will also be constant over this length and is given by: |
| A. | M/l |
| B. | M/2l |
| C. | M/4l |
| D. | none of the above |
| Answer» B. M/2l | |
| 2629. |
The equivalent bending moment under combined action of bending moment M and torque T is: |
| A. | \[\sqrt{{{M}^{2}}+{{T}^{2}}}\] |
| B. | \[\frac{1}{2}\,\sqrt{{{M}^{2}}+{{T}^{2}}}\] |
| C. | \[\frac{1}{2}\,\sqrt{{{M}^{3}}+{{T}^{2}}}\] |
| D. | \[\frac{1}{2}\,\left( M+\sqrt{{{M}^{3}}+{{T}^{2}}} \right)\] |
| Answer» E. | |
| 2630. |
The relationship between constants E. G and K given by: |
| A. | \[E=\frac{G+3K}{9KG}\] |
| B. | \[E=\frac{3G+K}{9KG}\] |
| C. | \[E=\frac{9KG}{G+3K}\] |
| D. | \[E=\frac{9KG}{3G+K}\] |
| Answer» D. \[E=\frac{9KG}{3G+K}\] | |
| 2631. |
Select the proper sequence 1. Proportional Limit 2. Elastic limit 3. Yielding 4. Failure |
| A. | 2, 3, 1, 4 |
| B. | 2, 1, 3, 4 |
| C. | 1, 3, 2, 4 |
| D. | 1, 2, 3, 4 |
| Answer» E. | |
| 2632. |
If a prismatic bar be subjected to an axial tensile stress \[\sigma \] then shear stress induced on a plane inclined at \[\theta \] with the axis will be: |
| A. | \[\frac{\sigma }{2}\,\sin 2\theta \] |
| B. | \[\frac{\sigma }{2}\,\cos 2\theta \] |
| C. | \[\frac{\sigma }{2}\,{{\cos }^{2}}\theta \] |
| D. | \[\frac{\sigma }{2}\,{{\sin }^{2}}\theta \] |
| Answer» B. \[\frac{\sigma }{2}\,\cos 2\theta \] | |
| 2633. |
Match List-I with List-II and select the correct answer using the codes given below the list: List-I List-II A. Bending moment is constant 1. Point of contra-flexure B. Bending moment is maximum or minimum 2. Shear force changes sign C. Bending moment is zero 3. Slope of shear force diagram is zero over the portion of the beam D. Loading is constant 4. Shear force is zero over the portion of the beam. Codes: |
| A. | A\[\to \]4, B\[\to \]1, C\[\to \]2, D\[\to \]3 |
| B. | A\[\to \]1, B\[\to \]4, C\[\to \]2, D\[\to \]3 |
| C. | A\[\to \]3, B\[\to \]1, C\[\to \]2, D\[\to \]4 |
| D. | A\[\to \]3, B\[\to \]1, C\[\to \]4, D\[\to \]2 |
| Answer» D. A\[\to \]3, B\[\to \]1, C\[\to \]4, D\[\to \]2 | |
| 2634. |
The maximum bending moment in a simply supported beam of length L loaded by a concentrated load W at the midpoint is given by: |
| A. | \[WL\] |
| B. | \[\frac{WL}{2}\] |
| C. | \[\frac{WL}{4}\] |
| D. | \[\frac{WL}{8}\] |
| Answer» D. \[\frac{WL}{8}\] | |
| 2635. |
Two closed-coil springs are made from the same small diameter wire, one wound on 2.5 cm diameter core and the other on 1.25 cm diameter core. If each spring has V coils, then the ratio of their spring constants would be |
| A. | 42370 |
| B. | 44409 |
| C. | 44287 |
| D. | 44228 |
| Answer» C. 44287 | |
| 2636. |
A closely-coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is t. Half of the length of spring is cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in the new condition will be: |
| A. | \[\text{1/2}\,\tau \] |
| B. | \[\tau \] |
| C. | \[\text{2}\,\tau \] |
| D. | \[\text{4}\,\tau \] |
| Answer» C. \[\text{2}\,\tau \] | |
| 2637. |
A 3-meter long steel cylindrical shaft is rigidly held at its two ends. A pulley is mounted on the shaft at 1 meter from one end; the shaft is twisted by applying torque on the pulley. The maximum shearing stresses developed in 1m and 2m lengths are respectively \[{{\tau }_{1}}\] and \[{{\tau }_{2}}.\]the ratio \[{{\tau }_{2}},{{\tau }_{1}}\] is: |
| A. | 44228 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» B. 1 | |
| 2638. |
Euler's formula can be used for obtaining crippling load for a M.S. column with hinged ends. Which one of the following conditions for the slenderness ratio l/k is to be satisfied? |
| A. | \[5<\frac{1}{k}<8\] |
| B. | \[9<\frac{1}{k}<8\] |
| C. | \[19<\frac{1}{k}<40\] |
| D. | \[\frac{1}{k}\ge 80\] |
| Answer» E. | |
| 2639. |
Which one of the following properties is more sensitive to increase in strain rate? |
| A. | Yield strength |
| B. | Proportional limit |
| C. | Elastic limit |
| D. | Tensile strength |
| Answer» D. Tensile strength | |
| 2640. |
Consider the following statements: State of stress in two dimensions at a point in a loaded component can be completely specified by indicating the normal and shear stresses on 1. A plane containing the point 2. Any two planes passing through the point 3. Two mutually perpendicular planes passing through the point Of these statements |
| A. | 1 and 3 are correct |
| B. | 2 alone is correct |
| C. | 1 alone is correct |
| D. | 3 alone is correct |
| Answer» E. | |
| 2641. |
A cantilever beam having 5 m length is so loaded that it develops a shearing force of 20 T and a bending moment of 20 T-m at a section 2m from the free end. Maximum shearing force and maximum, bending moment developed in the beam under this load, are respectively 50 T and 125 T-m. The load on the beam is: |
| A. | 25 T concentrated load at free end. |
| B. | 20 T concentrated load at free end. |
| C. | 5 T concentrated load at free end and 2 T/m load over entire length. |
| D. | 10 T/mudl over entire length |
| Answer» E. | |
| 2642. |
If \[{{\sigma }_{y}}\] is the yield strength of a particular material, then the distortion energy theory is expressed as: |
| A. | \[{{({{\sigma }_{1}}-{{\sigma }_{2}})}^{2}}+{{({{\sigma }_{2}}-{{\sigma }_{3}})}^{2}}+{{({{\sigma }_{3}}-\sigma )}^{2}}=2s_{y}^{2}\] |
| B. | \[({{\sigma }_{1}}^{2}+{{\sigma }_{2}}+{{\sigma }_{3}})-2v({{\sigma }_{1}}{{\sigma }_{2}}+{{\sigma }_{2}}{{\sigma }_{3}}+{{\sigma }_{3}}{{\sigma }_{1}})=\sigma _{y}^{2}\] |
| C. | \[({{\sigma }_{1}}+{{\sigma }_{2}}^{2})+{{({{\sigma }_{2}}-{{\sigma }_{3}})}^{2}}+{{({{\sigma }_{3}}-{{\sigma }_{1}})}^{2}}=3{{\sigma }_{y}}^{2}\] |
| D. | \[(1-2v){{({{\sigma }_{1}}+{{\sigma }_{2}}+{{\sigma }_{3}})}^{2}}=2(1+v){{\sigma }_{y}}\] |
| Answer» B. \[({{\sigma }_{1}}^{2}+{{\sigma }_{2}}+{{\sigma }_{3}})-2v({{\sigma }_{1}}{{\sigma }_{2}}+{{\sigma }_{2}}{{\sigma }_{3}}+{{\sigma }_{3}}{{\sigma }_{1}})=\sigma _{y}^{2}\] | |
| 2643. |
A shaft is subjected to a maximum bending stress of \[80\,N/m{{m}^{2}}\] and maximum shearing stress equal to \[30\,N/m{{m}^{2}}\] at a particular section. If the yield point in tension of the material is \[280\,N/m{{m}^{2}},\] and maximum shear stress theory of failure is used, then the factor of safety obtained will be: |
| A. | 2.5 |
| B. | 2.8 |
| C. | 3 |
| D. | 3.5 |
| Answer» C. 3 | |
| 2644. |
If failure in shear along \[45{}^\circ \] planes is to be avoided then a material subjected to uniaxial tension should have its shear strength equal to at least: |
| A. | Tensile strength |
| B. | Compressive strength |
| C. | Half the difference between the tensile and compressive strengths |
| D. | Half the tensile strength |
| Answer» E. | |
| 2645. |
Two helical springs of the same material and of equal circular cross-section and length and number of turns, but having radii 90 mm and 40 nun, kept concentrically (smaller radius spring within the larger radius spring), arc compressed between two parallel planes with a load P. The inner spring will carry a load equal to: |
| A. | \[\frac{P}{2}\] |
| B. | \[\frac{P}{3}\] |
| C. | \[\frac{P}{1.088}\] |
| D. | \[\frac{P}{2.088}\] |
| Answer» D. \[\frac{P}{2.088}\] | |
| 2646. |
Cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that: |
| A. | It is subjected to a higher stress flan the outer side |
| B. | it is subjected to a higher cyclic loading than the outer side |
| C. | It is more stretched than the outer side during the manufacturing process |
| D. | It has a lower curvature than the outer side |
| Answer» E. | |
| 2647. |
Rankine-Gordon formula for buckling is valid for: |
| A. | Long column |
| B. | Short column |
| C. | Short and long column |
| D. | Very long column |
| Answer» B. Short column | |
| 2648. |
Two hollow shafts of the same material have the same length and outside diameter. Shaft 1 has internal diameter equal to one-third of the outer diameter and shaft 2 has internal diameter equal to half of the outer diameter. If both the shafts are subject to the same torque, the ratio of their twists \[{{\theta }_{1}}/{{\theta }_{2}}\] will be equal |
| A. | 16/81 |
| B. | 46600 |
| C. | 19/27 |
| D. | 243/256 |
| Answer» E. | |
| 2649. |
When a weight of 100 N falls on a spring of stiffness 1 kN/m from a height of 2m, the deflection caused in the first fall is: |
| A. | Equal to 0.1 m |
| B. | Between 0.1 and 0.2 |
| C. | Equal to 0.2 m |
| D. | More than 0.2 m |
| Answer» E. | |
| 2650. |
The deformation of a bar under its own weight as compared to that when subjected to a direct axial lo equal to its own weight will be |
| A. | The same |
| B. | One-fourth |
| C. | Half |
| D. | Double |
| Answer» D. Double | |