Hello, I want to give the exam of TNPSC Motor Vehicle Inspector and I want its answer key. Please provide me.

Hello, here I am providing you the answer key of TNPSC Motor Vehicle Inspector as under:

A gear which has its teeth out on a conical surface is
(A) bevel gear (B) helical gear
(C) spur gear (D) worm gear

Arc welding uses following electric supply
(A) AC. (B) DC.
(C) both AC. and DC. (D) spiral waveform

Case hardening is
(A) done to get a soft ductile interior with a very hard surface
(B) done to get a hard ductile interior with a very hard surface
(C) followed by tempering
(D) none of the above

A body having similar properties throughout its volume is said to be
(A) homogeneous (B) isotropic
(C) isentropic (D) anisotropic

There are fourteen atoms in a unit cell of
(A) body centered cubic space lattice (B) face centered cubic space lattice
(C) close packed hexagonal space lattice (D) none of these

In iron-carbon diagram the
(A) abscissa is time (B) ordinate is time
(C) abscissa is temperature (D) abscissa is carbon percentage

12. The primary purpose of annealing is to
(A) restrict-the hardness of steel
(B) soften the steel for machining after cold working
(C) reduce carbon percentage
(D) change the crystalline structure

Steel containing 0.8 to 1.5% carbon, is known as
(A) mild steel (B) dead mild steel
(C) medium carbon steel If (D) high carbon steel

Which one of the following does not come under the minor losses in flow through pipes?
(A) Loss of head due to change in direction
(B) Loss of head due to an obstruction
(C) Loss of head due to friction
(D) Loss of head due to sudden enlargement

Consider the following statements :
Assertion (A) : Reciprocating pumps are also known as positive displacement pumps.
Reason (R) In Reciprocating pumps, the liquid lifted due to the thrust exerted on it by a
moving piston or plunger.
(A) Both (A) and (R) are true. (R) is the correct explanation of (A)
(B) Both (A) and (R) are true but (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) (A) is false but (R) is true

In the following statement which does not come under the qualities of a good hydraulic fluid
(A) It should emulsity with the water (B) It should reduce foaming action
(C) It should prevent rusting (D) It should prevent pitting action

A sand employed on the faces of the pattern before moulding is called
(A) Green sand ' (B) Dry sand
(C) Parting sand (D) Oil sand

In oblique cutting of metals the cutting edge of the tool is
(A) perpendicular to the work piece
(B) perpendicular to the direction of tool travel
(C) parallel to the direction of tool travel
(D)! inclined at an angle less than 90° to the direction of tool travel


TNPSC MVI answer key: