Explore topic-wise MCQs in Machine Kinematics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.

1.

Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm and transmits a torque of 20 Nm. The torque transmitted by the gear is

A. 6.6 Nm
B. 20 Nm
C. 40 Nm
D. 60Nm
Answer» E.
2.

If the pressure angle of the rack is 20 , then force acting along the line of action between the rack and the gear teeth is

A. 250 N
B. 342 N
C. 532 N
D. 600 N
Answer» D. 600 N
3.

If the drive efficiency is 80%, then torque required on the input shaft to create 1000 N output thrust is

A. 20 Nm
B. 25 Nm
C. 32 Nm
D. 50 Nm
Answer» C. 32 Nm
4.

Twenty degree full depth involute profiled 19-tooth pinion and 37-tooth gear are in mesh. If the module is 5 mm, the centre distance between the gear pair will be

A. 140 mm
B. 150 mm
C. 280 mm
D. 300 mm
Answer» B. 150 mm
5.

Interference in a pair of gears is avoided, if the addendum circles of both the gears intersect common tangent to the base circles within the points of tangency.

A. True
B. False
Answer» B. False
6.

Tooth interference in an external in volute spur gear pair can be reduced by

A. Decreasing center distance between gear pair
B. Decreasing module
C. Decreasing pressure angle
D. Increasing number of gear teeth
Answer» E.
7.

A helical gear has the active face width equal to b pitch p and helix angle . What should be the minimum value of b in order that contact is maintained across the entire active face of the gear?

A. p cos
B. p sec
C. p tan
D. p cot
Answer» E.
8.

A spur gear of 40 teeth is machined in a gear hobbing machine using a double start hob cutter. The speed ratio between the hob and the blank is

A. 1:20
B. 1:40
C. 40:1
D. 20:1
Answer» E.