MCQOPTIONS
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MCQOPTIONS
This section includes 133 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
If the pump head is 75 m, discharge is 0.464 m 3 /s and the motor speed is 1440 rpm at rated condition, the specific speed of the pump is about |
| A. | 4 |
| B. | 26 |
| C. | 38 |
| D. | 1440 |
| Answer» D. 1440 | |
| 102. |
A-2-hour unit hydrograph can be approximated as trapezoidal as shown in the below figure. The unit hydrograph refers to catchment of area |
| A. | 138.24 km 2 |
| B. | 0.0384 km 2 |
| C. | 384 m 2 |
| D. | 3840 m 2 |
| Answer» D. 3840 m 2 | |
| 103. |
The members EJ and IJ of steel truss shown in the figure below are subjected to a temperature rise of 30° C. The coefficient of thermal expansion of steel is 0.000012 per °C per unit length. The displacement (mm) of joint E relative to joint H along the direction HE of the truss, is |
| A. | 0.255 |
| B. | 0.589 |
| C. | 0.764 |
| D. | 1.026 |
| Answer» D. 1.026 | |
| 104. |
The following two statements are made with reference to a simply supported under-reinforced RCC beam : |
| A. | Both the statements are false. |
| B. | I is true but II is false. |
| C. | Both the statements are true. |
| D. | I is false but II is true. |
| Answer» D. I is false but II is true. | |
| 105. |
A direct shear test was conducted on a cohesionless soil ( c = 0) specimen under a normal stress of 200 kN/m 2 . The specimen failed at a shear stress of 100 kN/m 2 . The angle of internal friction of the soil (degrees) is |
| A. | 26.6 |
| B. | 29.5 |
| C. | 30.0 |
| D. | 32.6 |
| Answer» B. 29.5 | |
| 106. |
Three reservoirs A , B and C are interconnected by pipes as shown in the below figure Water surface elevations in the reservoirs and the Piezometric Head at the junction J are indicated in the below figure. Discharges Q 1 , Q 2 and Q 3 are related as |
| A. | Q 1 + Q 2 = Q 3 |
| B. | Q 1 = Q 2 + Q 3 |
| C. | Q 2 = Q 1 + Q 3 |
| D. | Q 1 + Q 2 + Q 3 = 0 |
| Answer» C. Q 2 = Q 1 + Q 3 | |
| 107. |
If an element of a stressed body is in a state of pure shear with a magnitude of 80 N/mm 2 , the magnitude of maximum principal stress at that location is |
| A. | 80 N/mm 2 |
| B. | 113.14 N/mm 2 |
| C. | 120 N/mm 2 |
| D. | 56.57 N/mm 2 |
| Answer» B. 113.14 N/mm 2 | |
| 108. |
In a drained triaixal compression test, a saturated specimen of a cohesionless sand fails under a deviatoric stress of 3 kgf/cm 2 when the cell pressure is 1 kgf/cm 2 . The effective angle of shearing resistance of sand is about |
| A. | 37° |
| B. | 45° |
| C. | 53° |
| D. | 20° |
| Answer» B. 45° | |
| 109. |
The maximum shear stress in a solid shaft of circular cross-section having diameter d subjected to a torque T is ?. If the torque is increased by four times and the diameter of the shaft is increased by two times, the maximum shear stress in the shaft will be |
| A. | 2? |
| B. | ? |
| C. | ?/2 |
| D. | ?/4 |
| Answer» D. ?/4 | |
| 110. |
Maximum strain at the level of compression steel for a rectangular section having effective cover to compression steel as d ' and neutral axis depth from compression face as x u is |
| A. | 0.0035 (1 - d '/ x u ) |
| B. | 0.002 (1 - d '/ x u ) |
| C. | 0.0035 (1 - x u / d ') |
| D. | 0.002 (1 - x u / d ') |
| Answer» B. 0.002 (1 - d '/ x u ) | |
| 111. |
Stopping sight distance is the minimum distance available on a highway which is the |
| A. | distance of sufficient length to stop the vehicle wihtout collision. |
| B. | distance visible to a driver during night driving. |
| C. | height of the object above the road surface. |
| D. | distance equal to the height of the driver's eye above the road surface. |
| Answer» B. distance visible to a driver during night driving. | |
| 112. |
A body moving through still water at 6 m/sec produces a water velocity of 4 m/sec at a point 1 m ahead. The difference in pressure between the nose and the point 1 m ahead would be |
| A. | 2, 000 N/m 2 |
| B. | 10, 000 N/m 2 |
| C. | 19, 620 N/m 2 |
| D. | 98, 100 N/m 2 |
| Answer» C. 19, 620 N/m 2 | |
| 113. |
The minimum dissolved oxygen content (ppm) in a river necessary for the survival of aquatic life is |
| A. | 0 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 114. |
The repeating variables in dimensional analysis should : |
| A. | include the dependent variable |
| B. | have amongst themselves all the basic dimensions |
| C. | be derivable from one another |
| D. | exclude one of the basic dimensions |
| Answer» B. have amongst themselves all the basic dimensions | |
| 115. |
If duty (D) is 1428 hectares/cumec and base period (B) is 120 days for an irrigated crop, then delta (?) in meters is given by |
| A. | 102.8 |
| B. | 0.73 |
| C. | 1.38 |
| D. | 0.01 |
| Answer» C. 1.38 | |
| 116. |
The slope of the elastic curve at the free end of a cantilever beam of span L , and with fluxural rigidity EI , subjected to uniformly distributed load of intensity w is |
| A. | wL 3 /6 EI |
| B. | wL 3 /3 EI |
| C. | wL 4 /8 EI |
| D. | wL 3 /2 EI |
| Answer» B. wL 3 /3 EI | |
| 117. |
Effective length of a rafter member between two nodes at a distance L , perpendicular to the plane of the truss, is : . |
| A. | 2.00 L |
| B. | 0.85 |
| C. | 1.50 |
| D. | 1.00 L |
| Answer» C. 1.50 | |
| 118. |
The following characteristics pertain to the sand filters used in water industry. |
| A. | I, II and III |
| B. | I and II |
| C. | II and III |
| D. | I and III |
| Answer» E. | |
| 119. |
A wastewater sample contains 10 -5.6 mmol/l of O H ions at 25° C. The pH of this sample is |
| A. | 8.6 |
| B. | 8.4 |
| C. | 5.6 |
| D. | 5.4 |
| Answer» E. | |
| 120. |
A tube well having a capacity of 4 m 3 /hour operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm ? |
| A. | 1.71 x 10 4 m 2 |
| B. | 1.14 x 10 4 m 2 |
| C. | 22.9 x 10 4 m 2 |
| D. | 2.29 x 10 4 m 2 |
| Answer» E. | |
| 121. |
The 5-day BOD of a wastewater sample is obtained as 190 mg/l (with k = 0.01 h -1 ). The ultimate oxygen demand (mg/l) of the sample will be |
| A. | 3800 |
| B. | 475 |
| C. | 271 |
| D. | 190 |
| Answer» D. 190 | |
| 122. |
For the frame shown in the below figure, the maximum bending moment in the column is, |
| A. | zero |
| B. | 400 kNm |
| C. | 100 kNm |
| D. | 200 kNm |
| Answer» C. 100 kNm | |
| 123. |
A water treatment plant is required to process 28800 m 3 /d of raw water (density = 1000 kg/m 3 , kinematic viscosity = 10 -6 m 2 /s). The rapid mixing tank imparts tank a velocity gradient of 900 s -1 to blend 35 mg/l of alum with the flow for a detention time of 2 minutes. The power input (W) required for rapid mixing is |
| A. | 32.4 |
| B. | 36 |
| C. | 324 |
| D. | 32400 |
| Answer» E. | |
| 124. |
In an iceberg, 15% of the volume projects above the sea surface. If the specific weight of sea water is 10.5 kN/m 3 , the specific weight of iceberg ir kN/m 3 is |
| A. | 12.52 |
| B. | 9.81 |
| C. | 8.93 |
| D. | 7.83 |
| Answer» D. 7.83 | |
| 125. |
A reinforced concrete column contains longitudinal steel equal to 1 percent of net cross-sectional area of the column. Assume modular ratio as 10. The loads carried (using the elastic theory) by the longitudinal steel and the net area of concrete, are P s and P c respectively. The ratio P s / P c expressed as percent is |
| A. | 0.1 |
| B. | 1 |
| C. | 1.1 |
| D. | 10 |
| Answer» E. | |
| 126. |
X -component of velocity in a 2- D incompressible flow is given by u = y 2 + 4 xy . If Y -com-ponent of velocity ' v ' equals zero at y = 0, the expression for ' v ' is given by |
| A. | 4 y |
| B. | 2 y 2 |
| C. | -2 y 2 |
| D. | 2 xy |
| Answer» D. 2 xy | |
| 127. |
The slope of the e -log p curve for a soil mass gives : |
| A. | coefficient of permeability, k |
| B. | coefficient of consolidation C v |
| C. | compression index, C c |
| D. | coefficient of volume compressibility, m v |
| Answer» D. coefficient of volume compressibility, m v | |
| 128. |
A 40° slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m 3 ; the relevant shear strength parameters are c u = 70 kN/m 2 and ? u = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for ? u = 0 and 40° slope angle is 0.18. The factor of safety of the slope is : |
| A. | 2.0 |
| B. | 2.1 |
| C. | 2.2 |
| D. | 2.3 |
| Answer» B. 2.1 | |
| 129. |
A hydraulic turbine develops a power of 10 4 metric horse power while running at a speed of 100 revolutions per minute, under a head of 40 m. Its specific speed is nearest to one of the following : |
| A. | 100 |
| B. | 628 |
| C. | 523 |
| D. | 314 |
| Answer» B. 628 | |
| 130. |
A nozzle discharging water under head H has an outlet area "a" and discharge coefficient c d = 1.0. A vertical plate is acted upon by the fluid force F j when held across the free jet and by the fluid force F n when held against the nozzle to stop the flow, the ratio F j / F n is |
| A. | 1/2 |
| B. | 1 |
| C. | 2 |
| D. | 2 |
| Answer» C. 2 | |
| 131. |
A hydraulic turbine has a discharge of 5 m 3 /s, when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be |
| A. | 433 |
| B. | 403 |
| C. | 627 |
| D. | 388 |
| Answer» B. 403 | |
| 132. |
The wall shown in the below figure has failed. The cause of failure or the error made in the design of the failded wall is : |
| A. | deep slip surface failure |
| B. | overturning |
| C. | no proper drainage in the clay backfill |
| D. | translational failure |
| Answer» C. no proper drainage in the clay backfill | |
| 133. |
In a steady radial flow into an intake, the velocity is found to vary as (1/ r 2 ), where r is the radial distance. The acceleration of the flow is proportional to |
| A. | 1/ r 5 |
| B. | 1/ r 3 |
| C. | 1/ r 4 |
| D. | 1/ r |
| Answer» B. 1/ r 3 | |