98 + Mcqs in VITEEE - 2016 Page 1 McqOptions

1.	If slenderness ratio=45, which mode of failure will dominate?
A.	Buckling
B.	Compressive Stresses
C.	Both buckling and compressive stress
D.	Can’t be stated
Answer» B. Compressive Stresses

Discussion

2.	Bucking of column means
A.	Lateral deflection
B.	Axial deflection
C.	Torsional deflection
D.	None of the listed
Answer» E.

Discussion

3.	If nominal diameter of the rope is 20mm, then pitch of the groove is around?
A.	2mm
B.	22mm
C.	40mm
D.	10mm
Answer» C. 40mm

Discussion

4.	Which type of rope drum is preferred?
A.	Drums with helical grooves
B.	Plain cylindrical drums
C.	Both are equally preferred
D.	None of the listed
Answer» B. Plain cylindrical drums

Discussion

5.	Rope operating over steel sheaves wear slowly than those used in conjunction with cast iron sheaves.
A.	True
B.	False
Answer» C.

Discussion

6.	Small sheaves are preferred over large sheaves on what parameters?
A.	Increasingly centrifugal force in large sheaves
B.	Higher cost of small sheaves
C.	Preferring centrifugal force reduction even for more money
D.	None of the listed
Answer» B. Higher cost of small sheaves

Discussion

7.	In design of wire ropes, bending stress is converted into an equivalent bending load which is given by [d= diameter of individual wire and D= diameter of sheave].
A.	AEd/D
B.	2AEd/D
C.	AEd/2D
D.	None of the listed
Answer» B. 2AEd/D

Discussion

8.	The wire rope is subjected to
A.	Tensile Stress
B.	Bending Stress
C.	Both bending and tensile stress
D.	None of the listed
Answer» D. None of the listed

Discussion

9.	Diameteral pitch is 5, then calculate module of the gear.
A.	0.2
B.	0.4
C.	5
D.	10
Answer» B. 0.4

Discussion

10.	roduct of diametric pitch and circular pitch is?
A.	π
B.	1/π
C.	None of the listed
D.	2
Answer» B. 1/π

Discussion

11.	Contact ratio is always
A.	=1
B.	>1
C.	<1
D.	Can’t be determined
Answer» C. <1

Discussion

12.	Velocity ratio and transmission ratio are the same thing.
A.	True
B.	False
Answer» C.

Discussion

13.	Pressure angle is _____ in case of cycloidal teeth.
A.	Constant
B.	Variable
C.	zero
D.	None of the listed
Answer» C. zero

Discussion

14.	Cycloidal teeth consist of
A.	Hypocycloid curve
B.	Epicycloid gear
C.	Both hypocycloid curve and epicycloid curve
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

15.	Which of the following are true about plasticity?
A.	Permanent Deformation
B.	Ability to retain deformation under load or after removal of load
C.	Plastic deformation is greater than elastic deformation
D.	All of the mentioned
Answer» E.

Discussion

16.	A_______ bearing supports the load acting along the axis of the shaft.
A.	Thrust
B.	Radial
C.	Longitudinal
D.	Transversal
Answer» B. Radial

Discussion

17.	Which of the following are functions of bearings?
A.	Ensure free rotation of shaft with minimum friction
B.	Holding shaft in a correct position
C.	Transmit the force of the shaft to the frame
D.	All of the listed
Answer» E.

Discussion

18.	Active and inactive, both types of coils support the load although both don’t participate in spring action.
A.	Active coils don’t support the load
B.	Inactive coils don’t support the load
C.	Both active and inactive don’t support the load
D.	Both active and inactive support the load
Answer» C. Both active and inactive don’t support the load

Discussion

19.	If uncompressed length of spring is 40mm and number of coils 10mm, then pitch of coil is?
A.	4
B.	40/9
C.	40/11
D.	None of the mentioned
Answer» C. 40/11

Discussion

20.	Pitch of coil is defined as axial distance in compressed state of the coil.
A.	Yes
B.	It is measured in uncompressed state
C.	It is same in uncompressed or compressed state
D.	None of the listed
Answer» C. It is same in uncompressed or compressed state

Discussion

21.	None of the listed
A.	None of the listed
B.	27mm
C.	24mm
D.	21mm
Answer» D. 21mm

Discussion

22.	If the spring is compressed completely and the adjacent coils touch each other,the the length of spring is called as?
A.	Solid length
B.	Compressed length
C.	Free length
D.	None of the mentioned
Answer» B. Compressed length

Discussion

23.	If spring index=2.5, what can be concluded about stresses in the wire?
A.	They are high
B.	They are negligible
C.	They are moderate
D.	Cannot be determined
Answer» B. They are negligible

Discussion

24.	Multi leaf springs are not recommended for automobile and rail road suspensions.
A.	True
B.	False
Answer» C.

Discussion

25.	The longest leaf in a leaf spring is called centre leaf.
A.	It is called middle leaf
B.	It is called master leaf
C.	Yes
D.	None of the listed
Answer» C. Yes

Discussion

26.	The helix angle is very small about 2⁰. The spring is open coiled spring.
A.	Yes
B.	It is closed coiled spring
C.	That small angle isn’t possible
D.	None of the listed
Answer» C. That small angle isn’t possible

Discussion

27.	Which of the following function can the spring perform?
A.	Store energy
B.	Absorb shock
C.	Measure force
D.	All of the mentioned
Answer» E.

Discussion

28.	Which type of threads is recommended for fluctuating loads?
A.	Fine threads
B.	Coarse Threads
C.	Either of fine or coarse
D.	None of the listed
Answer» B. Coarse Threads

Discussion

29.	Which threads have greater resistance to unscrewing?
A.	Coarse
B.	Fine
C.	They have equal resistance
D.	Cannot be determined
Answer» C. They have equal resistance

Discussion

30.	Coarse threads have helix angle _____ fine threads.
A.	Equal to
B.	Greater than
C.	Lesser than
D.	There is no relation
Answer» D. There is no relation

Discussion

31.	Crests and roots of the threads may lead to leakage in fluid tight threads if flattened or rounded to a circular arc.
A.	True
B.	False
Answer» C.

Discussion

32.	Which of the following help in accomplishing the locking?
A.	Creating supplementary friction
B.	Using special locking devices like split pins
C.	By plastic deformation
D.	All of the listed
Answer» E.

Discussion

33.	If the length of the shank is doubled, then strain energy absorbed by shank
A.	Doubles
B.	Remains same
C.	Increases 4 time
D.	Become half
Answer» B. Remains same

Discussion

34.	The shock absorbing capacity of bolts can be increased by
A.	Increasing the shank diameter
B.	Decreasing the length of shank portion of bolt
C.	Increase the shank diameter and decreasing the length of shank
D.	None of the listed
Answer» E.

Discussion

35.	The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter
A.	Lesser than
B.	Equal to
C.	Greater than
D.	No effect
Answer» C. Greater than

Discussion

36.	Resilience is defined as the property of material to absorb energy when deformed _________ and to release this energy when unloaded.
A.	Elastically
B.	Plastically
C.	Up to fracture point
D.	None of the listed
Answer» B. Plastically

Discussion

37.	Self-locking takes place when
A.	Coefficient of friction is equal to or greater than the tangent of the helix angle
B.	Coefficient of friction is lesser than or equal to the tangent of the helix angle
C.	Coefficient of friction is equal to or greater than the tangent of the helix angle
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

38.	If the load itself begin to the screw and descend down, unless a restraining torque is applied then the condition is termed as
A.	Halting
B.	Overhaulting
C.	Front driving
D.	None of the mentioned
Answer» C. Front driving

Discussion

39.	If nominal diameter of screw thread=50mm and pitch=10mm then the mean diameter of the screw thread will be?
A.	40mm
B.	45mm
C.	60mm
D.	55mm
Answer» C. 60mm

Discussion

40.	Tr 40 x 14(P 7), here 14 indicates
A.	Pitch
B.	Lead
C.	Diameter
D.	None of the mentioned
Answer» C. Diameter

Discussion

41.	Which of the following are true for buttress threads?
A.	Combination of square and trapezoidal threads
B.	Transmit motion in one direction only
C.	They are used in vices
D.	All of the mentioned
Answer» E.

Discussion

42.	V threads are highly recommended for fastening as well as power transmission purpose.
A.	Yes
B.	Never
C.	In some cases
D.	Can’t be stated
Answer» C. In some cases

Discussion

43.	Depending upon the holding arrangement, power screws operate in how many different arrangements.
A.	20
B.	3
C.	4
D.	5
Answer» B. 3

Discussion

44.	There is sufficient plastic deformation prior to fatigue failure, which gives a warning well in advance.
A.	True
B.	False
Answer» C.

Discussion

45.	The phenomenon of decreased resistance of the materials to fluctuating stresses is the main characteristic of _____ failure.
A.	Fracture
B.	Fatigue
C.	Yielding
D.	None of the mentioned
Answer» C. Yielding

Discussion

46.	If the mean stress value for a sinusoidal stress function is zero, then this type of stress falls in which category?
A.	Fluctuating Stresses
B.	Alternating Stresses
C.	Repeated Stresses
D.	Reversed Stresses
Answer» E.

Discussion

47.	The stress represented by cos (t) belongs to which category?
A.	Fluctuating Stresses
B.	Alternating Stresses
C.	Repeated Stresses
D.	Reversed Stresses
Answer» E.

Discussion

48.	The stress represented by sin (t) + 4 belongs to which category?
A.	Alternating Stresses
B.	None of the mentioned
C.	Repeated Stresses
D.	Reversed Stresses
Answer» B. None of the mentioned

Discussion

49.	The stress represented by sin (t) + 2 belongs to which category?
A.	Fluctuating Stresses
B.	None of the mentioned
C.	Repeated Stresses
D.	Reversed Stresses
Answer» B. None of the mentioned

Discussion

50.	The stress represented by sin (t) + 1 belongs to which category?
A.	Fluctuating Stresses
B.	Alternating stresses
C.	Repeated Stresses
D.	Reversed Stresses
Answer» N.

Discussion

Explore topic-wise MCQs in Graduate Aptitude Test (GATE).

&nbsp;If slenderness ratio=45, which mode of failure will dominate?

Bucking of column means

&nbsp;If nominal diameter of the rope is 20mm, then pitch of the groove is around?

&nbsp;Which type of rope drum is preferred?

Rope operating over steel sheaves wear slowly than those used in conjunction with cast iron sheaves.

&nbsp;Small sheaves are preferred over large sheaves on what parameters?

&nbsp;In design of wire ropes, bending stress is converted into an equivalent bending load which is given by [d= diameter of individual wire and D= diameter of sheave].

The wire rope is subjected to

Diameteral pitch is 5, then calculate module of the gear.

roduct of diametric pitch and circular pitch is?

Contact ratio is always

Velocity ratio and transmission ratio are the same thing.

Pressure angle is _____ in case of cycloidal teeth.

&nbsp;Cycloidal teeth consist of

Which of the following are true about plasticity?

A_______ bearing supports the load acting along the axis of the shaft.

&nbsp;Which of the following are functions of bearings?

Active and inactive, both types of coils support the load although both don&rsquo;t participate in spring action.

&nbsp;If uncompressed length of spring is 40mm and number of coils 10mm, then pitch of coil is?

Pitch of coil is defined as axial distance in compressed state of the coil.

None of the listed

If the spring is compressed completely and the adjacent coils touch each other,the the length of spring is called as?

If spring index=2.5, what can be concluded about stresses in the wire?

Multi leaf springs are not recommended for automobile and rail road suspensions.

The longest leaf in a leaf spring is called centre leaf.

&nbsp;The helix angle is very small about 2⁰. The spring is open coiled spring.

Which of the following function can the spring perform?

Which type of threads is recommended for fluctuating loads?

Which threads have greater resistance to unscrewing?

Coarse threads have helix angle _____ fine threads.

Crests and roots of the threads may lead to leakage in fluid tight threads if flattened or rounded to a circular arc.

Which of the following help in accomplishing the locking?

&nbsp;If the length of the shank is doubled, then strain energy absorbed by shank

The shock absorbing capacity of bolts can be increased by

The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter

Resilience is defined as the property of material to absorb energy when deformed _________ and to release this energy when unloaded.

&nbsp;Self-locking takes place when

&nbsp;If the load itself begin to the screw and descend down, unless a restraining torque is applied then the condition is termed as

&nbsp;If nominal diameter of screw thread=50mm and pitch=10mm then the mean diameter of the screw thread will be?

Tr 40 x 14(P 7), here 14 indicates

Which of the following are true for buttress threads?

V threads are highly recommended for fastening as well as power transmission purpose.

Depending upon the holding arrangement, power screws operate in how many different arrangements.

There is sufficient plastic deformation prior to fatigue failure, which gives a warning well in advance.

The phenomenon of decreased resistance of the materials to fluctuating stresses is the main characteristic of _____ failure. &nbsp;

If the mean stress value for a sinusoidal stress function is zero, then this type of stress falls in which category?

&nbsp;The stress represented by cos (t) belongs to which category?

The stress represented by sin (t) + 4 belongs to which category?

&nbsp;The stress represented by sin (t) + 2 belongs to which category?

The stress represented by sin (t) + 1 belongs to which category?

If slenderness ratio=45, which mode of failure will dominate?

If nominal diameter of the rope is 20mm, then pitch of the groove is around?

Which type of rope drum is preferred?

Small sheaves are preferred over large sheaves on what parameters?

In design of wire ropes, bending stress is converted into an equivalent bending load which is given by [d= diameter of individual wire and D= diameter of sheave].

Cycloidal teeth consist of

Which of the following are functions of bearings?

Active and inactive, both types of coils support the load although both don’t participate in spring action.

If uncompressed length of spring is 40mm and number of coils 10mm, then pitch of coil is?

The helix angle is very small about 2⁰. The spring is open coiled spring.

If the length of the shank is doubled, then strain energy absorbed by shank

Self-locking takes place when

If the load itself begin to the screw and descend down, unless a restraining torque is applied then the condition is termed as

If nominal diameter of screw thread=50mm and pitch=10mm then the mean diameter of the screw thread will be?

The phenomenon of decreased resistance of the materials to fluctuating stresses is the main characteristic of _____ failure.

The stress represented by cos (t) belongs to which category?

The stress represented by sin (t) + 2 belongs to which category?