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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.
| 1551. |
The total energy of a stone thrown up will be maximum at: |
| A. | The ground level |
| B. | the highest point |
| C. | Middle of the path |
| D. | all heights |
| Answer» E. | |
| 1552. |
A wound watch spring possesses energy stored in the form of: |
| A. | Kinetic energy |
| B. | Potential energy |
| C. | Mechanical potential energy |
| D. | Mechanical kinetic energy |
| Answer» D. Mechanical kinetic energy | |
| 1553. |
A uniform chain of length L and mass M lying on a smooth table such that one third of its length is hanging vertically down over the edge of the table. If g is the acceleration due to gravity, the work required to pull the hanging part on to the table is: |
| A. | MgL |
| B. | MgL/3 |
| C. | MgL/9 |
| D. | MgL/18 |
| Answer» E. | |
| 1554. |
A cord is used to lower vertically a block of mass M a distance d at a constant downward acceleration of g/4. Then the work done by the cord on the block is: |
| A. | \[Mgd/4\] |
| B. | \[3\,Mgd/4\] |
| C. | \[-\,3\,Mgd/4\] |
| D. | \[Mgd\] |
| Answer» D. \[Mgd\] | |
| 1555. |
Match List-I with List-II and select the correct answer using the codes given below the lists: (these pertain to nuclear reactors) List-I List-II A. Coolant 1. Carbon dioxide B. Control 2. Zirconium C. Poison 3. Cadmium D. Cladding 4. Graphite 5. Hafnium Codes: |
| A. | A\[\to \]5, B\[\to \]2, C\[\to \]3, D\[\to \]4 |
| B. | A\[\to \]5, B\[\to \]1, C\[\to \]3, D\[\to \]4 |
| C. | A\[\to \]1, B\[\to \]3, C\[\to \]5, D\[\to \]2 |
| D. | A\[\to \]1, B\[\to \]2, C\[\to \]5, D\[\to \]3 |
| Answer» D. A\[\to \]1, B\[\to \]2, C\[\to \]5, D\[\to \]3 | |
| 1556. |
A car of mass 2000 kg is traveling at a constant speed of 50 m/s. The car has to resist a wind drag \[{{F}_{D}}=10v(N),\] Where v is the velocity of the car in m/s. The power required by the engine is: |
| A. | 5 kW |
| B. | 10 kW |
| C. | 25 kW |
| D. | 30 kW |
| Answer» D. 30 kW | |
| 1557. |
The power required by a machine having an efficiency of 80% for raising a load of 24 N through a distance of 36 m in 1 minutes is: |
| A. | 12 W |
| B. | 18 W |
| C. | 50 W |
| D. | 450 W |
| Answer» C. 50 W | |
| 1558. |
A train of weight \[200\times {{10}^{4}}N\] is running on horizontal track at a constant speed of 10 m/s, overcoming a constant frictional force of \[200\,\,\times \,\,10\,N.\] What is the power of the engine drinking the train |
| A. | 800 kW |
| B. | 1200 kW |
| C. | 200 kW |
| D. | 400 kW |
| Answer» D. 400 kW | |
| 1559. |
The outward radial flow turbine in which there are two rotors rotating in opposite directions is known as: |
| A. | 50% reaction radial turbine |
| B. | Cantilever turbine |
| C. | Lungstrom turbine |
| D. | pass-out turbine |
| Answer» D. pass-out turbine | |
| 1560. |
A bullet enters a plank of 30 mm thickness with a velocity of 100 m/s and emerges out from the plank with a velocity of 50 m/s. What is the minimum thickness of the plank so that the bullet remain embedded in the plank: |
| A. | 100 mm |
| B. | 80 mm |
| C. | 60 mm |
| D. | 40 mm |
| Answer» D. 40 mm | |
| 1561. |
Which one of the following principles laws converts a dynamics problems to an equivalent statics problem? |
| A. | Newton's second law of motion |
| B. | D' Alembert's principle |
| C. | Principle of conservation of energy |
| D. | Principle of conservation of momentum |
| Answer» C. Principle of conservation of energy | |
| 1562. |
For perfectly elastic bodies the value of the coefficient of restitution is: |
| A. | Zero |
| B. | 0.372 |
| C. | 0.500 |
| D. | 1 |
| Answer» E. | |
| 1563. |
Two balls at same temperature collide. What is conserved? |
| A. | Temperature |
| B. | velocity |
| C. | Kinetic energy |
| D. | momentum |
| Answer» E. | |
| 1564. |
A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved? |
| A. | Momentum alone |
| B. | Kinetic energy along |
| C. | Momentum and kinetic energy both |
| D. | None of these |
| Answer» B. Kinetic energy along | |
| 1565. |
A mass M is moving with a constant velocity parallel to jr-axis. It angular momentum with respect to the origin: |
| A. | Is zero |
| B. | remains constant |
| C. | Goes on increasing |
| D. | goes on decreasing. |
| Answer» C. Goes on increasing | |
| 1566. |
Two masses, 2 kg and 8 kg, are moving with equal kinetic energy. The ratio of magnitudes of their momentum is: |
| A. | 0.25 |
| B. | 0.5 |
| C. | 0.625 |
| D. | 1 |
| Answer» C. 0.625 | |
| 1567. |
Match List-I (turbines) with List-II (classification) and select the correct answer using the codes given below the list: List-I List-II A. Parson's 1. Pressure compounded B. De Laval 2. Reaction C. Rateau 3. Simple impulse D. Curtis 4. Velocity compounded Codes: |
| A. | A\[\to \]3, B\[\to \]2, C\[\to \]1, D\[\to \]4 |
| B. | A\[\to \]2, B\[\to \]3, C\[\to \]4, D\[\to \]1 |
| C. | A\[\to \]2, B\[\to \]3, C\[\to \]1, D\[\to \]4 |
| D. | A\[\to \]3, B\[\to \]2, C\[\to \]4, D\[\to \]1 |
| Answer» D. A\[\to \]3, B\[\to \]2, C\[\to \]4, D\[\to \]1 | |
| 1568. |
Match List-I with List-II and select the correct answer using the codes given below the lists. List-I List-II A. Bin system 1. Dust collection B. lone furnace 2. High turbulence C. Tangential burners 3. Highslag recovery D. Scrubber 4. Pulverised fuel Codes: |
| A. | A\[\to \]4, B\[\to \]3, 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\[\to \]1, D\[\to \]2 |
| D. | A\[\to \]3, B\[\to \]4, C\[\to \]2, D\[\to \]1 |
| Answer» C. A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2 | |
| 1569. |
The output of a boiler is normally stated as: |
| A. | Evaporative capacity in tonnes of steam that can he produced from and at \[100{}^\circ C\] |
| B. | Weight of steam actually produced at rated pressure in tonnes per hour |
| C. | Boiler horse power |
| D. | Weight of steam produced per kg of fuel |
| Answer» C. Boiler horse power | |
| 1570. |
A stone of mass m at the end of a string of length \[l\] is whirled in a vertical circle at a constant speed. The tension in the string will be maximum when the stone is: |
| A. | At the top of the circle |
| B. | Half way down from the top |
| C. | quarter Way down from the top |
| D. | At the bottom of the circle |
| Answer» E. | |
| 1571. |
The centripetal force on a vehicle rounding a curve on a level track is provided by: |
| A. | Gravity |
| B. | Friction between the tress and the track |
| C. | The torque applied to its steering wheel |
| D. | Its brakes |
| Answer» C. The torque applied to its steering wheel | |
| 1572. |
A block of weight 2 N falls from a height of 1 m on the top of a spring. If the spring gets compressed by 1 m to bring the weight momentarily to rest, then the spring constant would be: |
| A. | 50 N/m |
| B. | 100 N/m |
| C. | 200 N/m |
| D. | 400 N/m |
| Answer» E. | |
| 1573. |
Consider the following statements: 1. Forced circulation is always used in high pressure power boilers. 2. Soot blowers are used for cleaning tube surfaces at regular intervals. 3. Electrostatic precipitator is used to remove fly ash from flue gases. Which of these statements are correct? |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 1 and 2 |
| Answer» C. 1 and 3 | |
| 1574. |
A mass m is initially in the rest position. A constant force is applied on it. The velocity acquired by it in given displacement will he directly proportion al to: |
| A. | \[\sqrt{m}\] |
| B. | \[1\sqrt{m}\] |
| C. | \[m\] |
| D. | \[1\,m\] |
| Answer» C. \[m\] | |
| 1575. |
The first law of motion provides the definition of: |
| A. | Momentum |
| B. | Force |
| C. | Acceleration |
| D. | Energy |
| Answer» C. Acceleration | |
| 1576. |
D Alemberts principle is used to: |
| A. | Solve static problems |
| B. | Solve kinematics problems |
| C. | Convert dynamic problems into equivalent static problems |
| D. | Solve elasticity problems |
| Answer» D. Solve elasticity problems | |
| 1577. |
At what height from the base of a pillar must the end of a rope of length/ be fixed so that a man standing on the ground and pulling it at the other end may have the greatest tendency to overturn the pillar: |
| A. | \[l/2\] |
| B. | \[l\,/3\] |
| C. | \[l\,\text{/}\sqrt{\text{2}}\] |
| D. | \[3\,l\,/4\] |
| Answer» D. \[3\,l\,/4\] | |
| 1578. |
Two bodies of weight 100 N and 200 N are resting on two smooth inclined planes. The bodies are connected by a rope passing over a pulley at the junction of the planes. If inclination of planes is \[30{}^\circ \] and \[45{}^\circ ,\] then the tension in the rope will be: |
| A. | 80 N |
| B. | 100 N |
| C. | 200 N |
| D. | 300 N |
| Answer» B. 100 N | |
| 1579. |
Consider the following costs: 1. Cost of inspection and return of goods 2. Cost of obsolescence 3. Cost of scrap 4. Cost of insurance 5. Cost of negotiation with suppliers. Which of these costs are related to inventory carrying cost? |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 2, 3 and 4 |
| D. | 2, 4 and 5 |
| Answer» D. 2, 4 and 5 | |
| 1580. |
Which of the following cost elements are considered while determining the Economic Lot Size for purchase? 1. Inventory carrying cost 2. Procurement cost 3. Set up cost. Select the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» C. 2 and 3 | |
| 1581. |
Annual demand for a product costing Rs.100 Per piece is Rs.900. Ordering cost per order is Rs.100 and inventory holding cost is Rs.2 per unit per year. The economic size is: |
| A. | 200 |
| B. | 300 |
| C. | 400 |
| D. | 500 |
| Answer» E. | |
| 1582. |
Given that, \[\theta =\] procurement cost per order, D = number of units demanded per year, H = holding cost per unit per year, i = rate of interest, p = purchase prices per unit. The procurement quantity per order (Q) is given by: |
| A. | \[Q=\frac{2.\theta .D}{H+iP}\] |
| B. | \[Q=\sqrt{\frac{2.\theta .D}{iH+P}}\] |
| C. | \[Q=\sqrt{\frac{2.\theta .D}{H+iP}}\] |
| D. | \[Q=\sqrt{\frac{2.\theta }{D(H+iP)}}\] |
| Answer» D. \[Q=\sqrt{\frac{2.\theta }{D(H+iP)}}\] | |
| 1583. |
Consider the following statements: 1. ABC analysis is based on Pareto's principal 2. FIFO and LIFO policies can be used for material valuation in materials management. 3. Simulation can be used for inventory control. 4. EOQ (Economic Order Quantity) formula ignores variations in demand pattern. Of these statements: |
| A. | 1 alone is correct |
| B. | 2 and 3 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 2, and 4 are correct |
| Answer» E. | |
| 1584. |
In inventory contorl theory, to economic order quantity (E.O.Q.) is: |
| A. | Average level of inventory |
| B. | Optimum lot size |
| C. | Lot size corresponding to break-even analysis |
| D. | Capacity of a warehouse. |
| Answer» C. Lot size corresponding to break-even analysis | |
| 1585. |
Out of the following listed below, which two items would you consider under category under ABC analysis: Annual Usage of items Items No. Annual usage X 1000 Unit cost Rs. A 30 0.10 B 300 0.15 C 2 200.00 D 60 0.10 E 5 0.30 F 300 0.10 G 10 0.05 H 7 0.10 I 20 0.10 J 5 0.20 |
| A. | B and F |
| B. | C and E |
| C. | E and J |
| D. | G and H. |
| Answer» E. | |
| 1586. |
A rectangular block of width/\[ft\] and height h is resting on a rough horizontal floor. A horizontal pull is to be applied at any height on the block. In order to avoid overturning, b/h should be: |
| A. | Less than \[\mu \] |
| B. | more than \[\mu \] |
| C. | Less than\[2\mu \] |
| D. | more than \[2\mu \] |
| Answer» E. | |
| 1587. |
Which one of the following analysis is not associated with inventory management? |
| A. | ABC |
| B. | EOQ |
| C. | AOQ |
| D. | VED |
| Answer» D. VED | |
| 1588. |
Dry flue gases with a composition of \[C{{O}_{2}}=10.4%,\]\[{{O}_{2}}=9.6\] and \[{{N}_{2}}=80%,\] indicate that: |
| A. | Excess air is used |
| B. | Air is insufficient |
| C. | Hydrogen is not present in the coal |
| D. | Air is just sufficient |
| Answer» D. Air is just sufficient | |
| 1589. |
Which one of the following correctly represent the average inventory turnover ratio for raw materials? |
| A. | Annual sales/annual inventory |
| B. | Average working process volume/total production volume |
| C. | Annual consumption average inventory |
| D. | Volume of spare parts/total annual sale |
| Answer» D. Volume of spare parts/total annual sale | |
| 1590. |
Match List-I (Cost Element) with List-II (Type Cost and select the correct answer using the given below the lists: List-I (Cost Element) List-II (Type of Cost) A. Discount 1. Ordering cost B. Preparation of the machine for a product 2. Material cost C. Negotiations with vendors 3. Set-up cost D. Rent for the warehouse 4. Carrying cost Codes: |
| A. | A\[\to \]2, B\[\to \]1, C\[\to \]3, D\[\to \]4 |
| B. | A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| C. | A\[\to \]2, B\[\to \]3, C\[\to \]1, D\[\to \]4 |
| D. | A\[\to \]4, B\[\to \]1, C\[\to \]3, D\[\to \]2 |
| Answer» D. A\[\to \]4, B\[\to \]1, C\[\to \]3, D\[\to \]2 | |
| 1591. |
Which one of the following does not form a part of the direct cost of a component? |
| A. | Cost of special tooling used |
| B. | Cost of material used |
| C. | Cost of material wasted |
| D. | Wages of the labour actually involved. |
| Answer» B. Cost of material used | |
| 1592. |
If Break-even point = Total fixed cost \[\left( 1-\frac{Variable\text{ }cost\text{ }per\text{ }unit}{X} \right),\]Then X is the: |
| A. | Overheads |
| B. | price per unit |
| C. | Direct cost |
| D. | materials cost |
| Answer» C. Direct cost | |
| 1593. |
For a product, the direct labour cost is Rs. 5 and direct materials cost is Rs. 10. The annual cost of direct materials is expected to be Rs. 2,00,000 and the annual overhead to be absorbed is Rs. 1,20,000. The total cost of the product will be: |
| A. | Rs. 16 |
| B. | Rs. 18 |
| C. | Rs. 19 |
| D. | Rs. 21 |
| Answer» E. | |
| 1594. |
The inventory carrying cost includes: |
| A. | Expenditure incurred for payment of bills |
| B. | Placing an order |
| C. | Receiving and inspecting |
| D. | Obsolescence and depreciation. |
| Answer» E. | |
| 1595. |
If tension in the rope of a lift while moving up is double the tension when moving down, the acceleration of lift is |
| A. | g/2 |
| B. | g/3 |
| C. | g/4 |
| D. | g/5 |
| Answer» C. g/4 | |
| 1596. |
Two pieces of steel and brass weighing 20 N and 10 N respectively fall freely under the action of gravity from a tower. For the two pieces which one of the following will be equal after falling and equal distance? |
| A. | Acceleration |
| B. | Momentum |
| C. | Potential energy |
| D. | Kinetic energy |
| Answer» D. Kinetic energy | |
| 1597. |
Crushed ore is dropped on a conveyor belt at the rate of 300 kg/s. The belt moves, it speed of 2 m/s. the net force acting on the belt that keeps it moving at the same speed is: |
| A. | 30 N |
| B. | 60 N |
| C. | 300 N/m |
| D. | 600 A |
| Answer» E. | |
| 1598. |
Enriched uranium is required as fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has: |
| A. | High neutron absorption cross-section |
| B. | Low moderating efficiency |
| C. | High neutron scatter cross-section |
| D. | Low neutron absorption cross-section |
| Answer» D. Low neutron absorption cross-section | |
| 1599. |
The work stored in a stretched wire in the form of strain energy per unit volume of wire is given by: |
| A. | \[{{U}_{V}}=\frac{1}{2}\,\,E\,\,{{(strain)}^{2}}\] |
| B. | \[{{U}_{u}}=\frac{1}{2}\,\,E\,\,(strain)\] |
| C. | \[{{U}_{v}}=\frac{1}{2}\,\,E\,\,{{(stress)}^{2}}\] |
| D. | \[{{U}_{u}}=\frac{1}{2}\,\,E\,\,(stress)\] |
| Answer» B. \[{{U}_{u}}=\frac{1}{2}\,\,E\,\,(strain)\] | |
| 1600. |
A beam whose one of its ends is fixed is known as : |
| A. | simply supported beam |
| B. | continuous beam |
| C. | cantilever beam |
| D. | overhanging beam |
| Answer» D. overhanging beam | |