D:-Welding
Correct Answer:- Option-C
Question77:-Which of the following is a single point cutting tool 7
A:-Parting tool
B:-Milling cutter
C:-Grinding wheel
D:-Broach
Correct Answer:- Option-A
Question78:-Enlarging an existing circular hole with a rotating single point tool is called
A:-Drilling
B:-Boring
C:-Reaming
D:-Countering
Correct Answer:- Option-B
Question79:-Which of the following aspect would lead to interchangeability 7
A:-Process planning
B:-Operator training
C:-Quality control
D:-Product design
Correct Answer:- Option-C
Question80:-Twist drills are made by
கல்வ 5221
B:-Carbide steel
C:-Diamond
D:-High speed steel
Correct Answer:- Option-D
Question81:-Newtons | law of motion gives the concept of
കാ ‏ما‎
‎B:-Inertia
‎C:-Force
‎D:-Energy
‎Correct Answer:- Option-B
Question82:-Which of the following physical quantity is not a vector 7
A:-Mass
B:-Momentum
C:-impulse
D:-Acceleration
Correct Answer:- Option-A
Question83:-When a bullet is fired from a gun, it is recoiled in backward direction due to
A:-Impulse
B:-Inertia
C:-Acceleration
D:-Conservation of momentum
Correct Answer:- Option-D
Question84:-Which one of the following surface in contact has minimum coefficient of friction 7
A:-Wood on wood
B:-Steel on steel
C:-Tyre on dry concrete
D:-Tyre on wet concrete
Correct Answer:- Option-B
Question85:-An increase in load at the free end of a cantilever is likely to cause failure
A:-At fixed support end
B:-Free end
C:-Mid of its length
D:-Any where
Correct Answer:- Option-A
Question86:-A beam 10 m long is simply supported at the ends, carries a load of 1000 N at the mid of span, the bending
moment under the load is
A:-500 Nm