M6

Question 1

The motion of a shaft in a circular hole is
an example of ___________ motion.
A. Completely constraint C. Incompletely constraint
B. Free D. Successful constraint

Answer 1

C

Question 2

It is an age hardenable wrought alloy which
has mechanical properties comparable to those of heat-
treated alloy steel of the same order of hardness and
resistance to corrosion like that of Monel.
A. R Monel C. KR Monel
B. S Monel D. K Monel

Answer 2

D

Question 3

Torsional deflection is a significant
consideration in the design of shaft and the limit should be
in the range of ___ ̲degrees/foot of length.
A. 0.005 to 0.008 C. 0.006 to 0.008
B. 0.08 to 1 D. 0.008 to 1

Answer 3

B

Question 4

For a universal joint shaft angle should be
_______ degrees maximum and much less if in high
rotational speed.
A. 12 C. 15
B. 14 D. 16

Answer 4

C

Question 5

Shafting up to 3 inches in diameter is usually
made from cold rolled steel and the common biggest
diameter of cold rolled steel is ____.
A. 3.5 inches C. 7 inches
B. 5 inches D. 7.5 inches

Answer 5

B

Question 6

It is of good design practice for steel line
shafting to consider a limit to the linear deflection of ______
inch/foot length maximum.
A. 0.01 C. 0.05
B. 0.02 D. 0.06

Answer 6

A

Question 7

A property of material which relates the lateral
strains to the longitudinal strain.
A. Deflection C . Poisson’s ratio
B. Elasticity D. Rigidity

Answer 7

C

Question 8

The maximum stress to which a material can
be subjected without a trace of any permanent set
remaining upon a complete withdrawal of the stress.
A. Elastic limit C. Rupture stress
B. Proportional limit D. Ultimate stress

Answer 8

A

Question 9

The ability of material or metal to resist being
crushed.
A. Bending strength C. Fatigue strength
B. Compressive strength D. Torsional strength

Answer 9

B

Question 10

The U.S standard gage for iron and steel was
established in 1893 which is primarily a weight gage; the
basis is the weight of wrought iron which is at _____ lb/ft3
.
A. 480 C. 493
B. 490 D. 488

Answer 10

C

Question 11

The total deformation measured in the
direction of the line of stress.
A. Axial deformation C. Strain
B. Elongation D. Unit stress

Answer 11

A

Question 12

The maximum stress induced in a material
when subjected to alternating or repeated loading without
causing failure.
A. Elastic limit C. Proportional limit
B. Endurance limit D. Rupture strength

Answer 12

B

Question 13

The total resistance that a material offers to
an applied load.
A. Elasticity C. Rigidity
B. Flexure D. Stress

Answer 13

D

Question 14

The ratio of stress produced by a suddenly
applied load to that produced by the same load gradually
applied.
A. 1 C. 4
B. 2 D. 8

Answer 14

B

Question 15

In case of a circular shaft subjected to torque
alone, the value of shear stress is:
A. Maximum at the axis C. Uniform throughout
B. Maximum at the surface D. Zero at the axis

Answer 15

D

Question 16

The first derivative of kinetic energy with
respect to velocity is:
A. Acceleration C. Power
B. Momentum D. None of these

Answer 16

B

Question 17

A type of shaft driven by a crank mechanism, consisting of a
series of cranks and crankpins to which the connecting rods
of an engine are attached.
A. Crankshaft C. Axle
B. Spindle D. Stub

Answer 17

A

Question 18

A separate shaft without its own bearings and rigidly coupled
to the shaft of a machine.
A. Crankshaft C. Axle
B. Spindle D. Stub shaft

Answer 18

D

Question 19

A rotating shaft with a fixture for holding a tool or a
workpiece.
A. crankshaft C. axle
B. spindle D. stub

Answer 19

B

Question 20

A type of shaft which tapers in a series of steps rather than
one continuous narrowing.
A. Crankshaft C. Stepped shaft
B. Spindle D. Stub

Answer 20

C

Question 21

A power-driven rotating shaft for power transmission.
A. line shaft C. counter shaft
B. intermediate shaft D. overhead

Answer 21

A

Question 22

A shaft that runs parallel to the main shaft in a gearbox and
carries the pinion wheels.
A. line shaft C. counter shaft
B. intermediate shaft D. overhead

Answer 22

C

Question 23

It is a camshaft used to operate inlet and outlet valves in the
combustion chamber of internal combustion engines.
A. line shaft C. counter shaft
B. intermediate shaft D. overhead shaft

Answer 23

D

Question 24

A type of shaft placed in between line shaft and counter
shaft; it is generally used in gearboxes with two or more than
two stages.
A. Counter shaft C. Line shaft
B. Intermediate shaft D. Overhead shaft

Answer 24

B

Question 25

A high carbon high copper chrome silicon cast steel is used
for making this type of machine element.
A. Camshaft C. Cylinder body
B. Cylinder head D. Piston

Answer 25

A