Hello Diploma Students in this article we have provided 22438 Theory Of Machines Multiple Choice Questions and Answer. With the help of this Theory Of Machines Objective Type Questions and Answers Diploma in Mechanical Engineering Students can Practice for their Upcoming Msbte Winter 2021 Exams.
In this Theory Of Machines Mcq Pdf Download We have selected Important Questions from Previous Year Model Answer Paper and Made A possible Set Of 30 Questions which can Help Students in Preparation for Their Exams. This Mcq on Theory Of Machines Is Ideal for Candidates who are in 3rd Year of Diploma in Mechanical Engineering Course.
Theory Of Machines Objective Type Questions and Answers
By Referring this Theory Of Machines Mcq Msbte Diploma in Mechanical Engineering Students Can Practice for their Upcoming Exams. We Have Also Provided Theory Of Machines Mcq Pdf Link at the end of the Quiz You can Download it for Future Reference.
22438 Theory Of Machines Multiple Choice Questions
1 The mechanism in which two are turning pairs and two are sliding pairs, is called a __________.
A) Double slider crank chain
B) Elliptical trammel
C) Scotch yoke mechanism
D) All of these
Correct!
Wrong!
2 The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as _________.
A) structure
B) machine
C) inversion
D) compound mechanism
Correct!
Wrong!
3 The purpose of a link is to _________________.
A) Transmit motion
B) Guide other links
C) Act as a support
D) All of the above
Correct!
Wrong!
4 A pantograph is a mechanism with _________________.
a) Lower pair
b) Higher pair
c) Rolling pair
d) Turning pair
Correct!
Wrong!
5 Whitworth quick return mechanism is obtained by inversion of ________.
a) Slider crank mechanism
b) Kinematic chain
c) Five link mechanism
d) Roller cam mechanism
Correct!
Wrong!
6 The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called _______________
A) Radial component
B) Tangential component
C) Coriolis component
D) None of these
Correct!
Wrong!
7 The velocity of sliding __________ the distance of the point of contact from the pitch point.
A) is directly proportional to
B) is inversely proportional to
C) is equal to cosφ multiplied by
D) does not depend upon
Correct!
Wrong!
8 The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is
A) Along PO
B) Perpendicular to PO
C) At 45° to PO
D) None of the above
Correct!
Wrong!
9 The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line ___________
A) Joining the corresponding points
B) Perpendicular to line as per (A)
C) Not possible to determine with these data
D) At 45° to line as per (A)
Correct!
Wrong!
10 The direction of linear velocity of any point on a link with respect to another point on
the same link is _________
A) Parallel to the link joining the points
B) Perpendicular to the link joining the points
C) At 45° to the link joining the points
D) None of the above
Correct!
Wrong!
11 Angle of dwell of cam is defined as the angle __________________.
A) During which the follower returns to its initial position.
B) Of rotation of the cam for definite displacement of the follower.
C) Through which the cam rotates during the period in which the follower remains in the highest position.
D) Moved by the cam from the instant the follower begins to rise, till it reaches its highest position.
Correct!
Wrong!
12 For high speed engines, the cam follower should move with ______________.
A) Uniform velocity
B) Simple harmonic motion
C) Uniform acceleration and retardation
D) Cycloidal motion
Correct!
Wrong!
13 In S.H.M., acceleration is proportional to ______________.
A) Velocity
B) Displacement
C) Rate of change of velocity
D) All of the above
Correct!
Wrong!
14 Offset is provided to the cam follower mechanism to ______________.
A) Accelerate
B) Avoid jerk
C) Minimize the side thrust
D) None of these
Correct!
Wrong!
15 The angle between the direction of follower motion and normal to the pitch curve is known as ______________ .
A) Base angle
B) Prime angle
C) Pitch angle
D) Pressure angle
Correct!
Wrong!
16 The moment on the pulley which produces rotation is called ____________ .
A) inertia
B) momentum
C) moment of momentum
D) torque
Correct!
Wrong!
17 Length of open belt, in addition to centre length, depends ____________ .
A) only on the sum
B) on the sum and difference of the radii of the pulleys
C) square of difference of radii of pulleys
D) square of sum of radii of pulleys
Correct!
Wrong!
18 Bevel gears are used to transmit rotary motion between two shafts whose axes are ____________ .
A) parallel
B) non-intersecting
C) non-coplaner
D) none of the above
Correct!
Wrong!
19 Helical gears have their teeth ____________ .
A) straight over the wheel rim
B) inclined to wheel rim
C) curved over the wheel rim
D) none of the above
Correct!
Wrong!
20 To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting, use ____________ .
A) spur gear
B) spiral gear
C) bevel gear
D) worm gear
Correct!
Wrong!
21 The mechanical brakes are operated by means of ____________ .
A) levers
B) bell cranks
C) cams
D) all of the above
Correct!
Wrong!
22 Hydraulic brakes function on the principle of ____________ .
A) Law of conservation of momentum
B) Law of conservation of energy
C) Pascal’s law
D) None of the above
Correct!
Wrong!
23 The function of master cylinder in hydraulic brakes is to ____________ .
A) builds up hydraulic pressure to operate the brakes
B) maintains constant volume of fluid in the system
C) serves as a pump to force air out of the hydraulic system
D) All of the above
Correct!
Wrong!
24 Hand brake is applicable to ____________ .
A) only front wheels
B) only rear wheels
C) both front and rear wheels
D) all of the above
Correct!
Wrong!
25 The process of removing air from the brake system is known as ____________ .
A) bleeding
B) self energizing
C) servo action
D) energization
Correct!
Wrong!
26 In vehicles, flywheel is placed in between _______________.
A) Engine and clutch
B) Clutch and Propeller shaft
C) Propeller shaft and Differential
D) Before engine
Correct!
Wrong!
27 Flywheel are generally made from _______________.
A) Cast Iron
B) High strength steel
C) Ceramics
D) All of the above
Correct!
Wrong!
28 The difference between the maximum and minimum speeds during a cycle is called _____________.
A) Fluctuation of speed
B) Maximum fluctuation of speed
C) Coefficient of fluctuation of speed
D) None of the above
Correct!
Wrong!
29 The coefficient of fluctuation of energy of flywheel is, ______________.
A) Ratio of maximum fluctuation of energy to work done per cycle
B) Ratio of to work done per cycle to maximum fluctuation of energy
C) Difference between maximum and minimum kinetic energy during the cycle
D) Ratio of maximum and minimum kinetic energy during the cycle
Correct!
Wrong!
30 A Watt’s governor can work satisfactorily at speeds from _____________.
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