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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

All Topics  1919

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimidstroke respectively, is__________________?
A maximum and zero
B zero and maximum
C minimum and maximum
D zero and minimum
Correct Answer: maximum and zero
The locus of a point on a thread unwound from a cylinder will be___________________?
A a straight line
B a circle
C involute
D cycloidal
Correct Answer: involute
Creep in belt drive is due to____________________?
A material of the pulley
B material of the belt
C larger size of the driver pulley
D uneven extensions and contractions due to varying tension
Correct Answer: uneven extensions and contractions due to varying tension
Idler pulley is used___________________?
A for changing the direction of motion of the belt
B for applying tension
C for increasing -velocity ratio
D all of the above
Correct Answer: for applying tension
Governor is used in automobile to_______________?
A decrease the variation of speed
B to control
C to control SN
D all of the above
Correct Answer: to control
For fluctuating loads, welsuited bearing is_________________?
A ball bearing
B roller bearing
C needle roller bearing
D thrust bearing
Correct Answer: roller bearing
In an ideal machine, the output as compared to input is_______________?
A less
B more
C equal
D may be less or more depending on efficiency
Correct Answer: equal
Transmission of power from the engine to the rear axle of an automobile is by means of___________________?
A compound gears
B worm and wheel method
C Hooke’s joint
D crown gear
Correct Answer: Hooke’s joint
The indicator using Watt mechanism is known as________________?
A Thompson indicator
B Richard indicator
C Simplex indicator
D Thomson indicator
Correct Answer: Richard indicator
In multi-V-belt transmission, if one of the belt is broken, we have to change the_________________?
A broken belt
B broken belt and its adjacent belts
C all the belts
D there is no need of changing any one as remaining belts can take care of transmission of load
Correct Answer: all the belts
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