C:-0.04 bd

D:-0.05 bd

Correct Answer:- Option-C
Question66:-A circular rod 0.2m long tapers from 20mm diameter at one end to 10mm diameter at the other. On applying
an axial pull of 6kN, it was found to extend by 0.068mm. Find the Young's modulus of the material of the rod.

ക:-126 GN//m™(2)

06 (2)
6:98 லு
D:- 112GN/m™(2)
Correct Answer:- Option-D

Question67:-In establishing the line of sight which of the following statement is not correct 7
A:-Eyepiece optical centre is needed
B:-Optical centre of the objective is needed
C:-Diaphragm containing cross hairs is needed
D:-None of these
Correct Answer:- Option-A

Question68:-Equation of flexure is given as
கறல!
8;-(1)/(11) ಎ(516[18)/(1)ಎ(8)/(8)`
0:-'(11)/(() ಎ(1)/(516 712) ಎ(5)/(೧)`
D:=* (M){l)=(sigma)/{y}=(RV(E}"
Correct Answer:- Option-A

Question69:-A cut in the frame of a door to receive the shutter, is called
‏6ھ‎
‎B:-Rebate
‎C:-Hom
‎D:-Louver
‎Correct Answer:- Option-B

Question70:-Lap length in compression reinforcement should not be less than tiimes the diameter of the bar.
‏6ھ‎
‎B:-20
‎C:-24
‎D:-30
‎Correct Answer:- Option-C

Question71:-Moment of inertia of a quadrant circle of radius R about its XX axis is given by
&0.11 ` ` `^ (4)

8:-0.055 ‏صر"‎ டு

€:-0.0117 00 हिल वी

0: 0.55 000 844

Correct Answer:- Option-B

Question72:-The point of contra-flexure is also called as
A:-Point of inflexion
B:-A virtual hinge
C:-Both (3) 8೧6 (2)
D:-None of these
Correct Answer:- Option-A

Question7 3:-Pitot tube is used to measure
A:-Discharge
B:-Pressure at a point
C:-Velocity at a point
D:-None of these
Correct Answer:- Option-C

Question74:-Between Biochemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD).
A:-BOD should always measure higher than COD
B:-COD should always measure higher than BOD
C:-COD should always be equal to BOD
D:-Depends on the type of sewage
Correct Answer:- Option-B

Question75:-Queen closer may be placed