5.SSC JE (ME) Theory of Machines Booster Quiz-2

A pinion transmits a torque of 60 N-m while rotating at 1000 rpm. What is the power transmitted by gear If the gear ratio is 3 and transmission efficiency 90%___.

A quick-return mechanism is to be designed, where the outward stroke must consume 1.2 s and the return stroke 0.8 s. If the cycle time is 2.0 s/rev, what is the speed at which the mechanism should be driven?

A gear X with 20 teeth is provided an input torque of 10 N-m and running at 100 rpm. Now, this gear X meshes with gear Y having 60 teeth and with efficiency of 96%. Find the torque generated at gear Y __________, when it meshes with gear X.

What is the maximum acceleration of cam when follower moves with cycloidal motion __________?
h = stroke length of follower

The accurate method of finding the natural frequency of transverse vibrations of a system of several loads attached to some shaft is

The reciprocating mass is balanced when primary force is

1. balanced by the mass

2. unbalanced by the mass

3. balanced by the mass

4. unbalanced by the mass

Select the correct answer using the code given below.

In a vibrating system the spring has stiffness 8 N/m and the mass is 2 kg. the system is having a damper whose damping coefficient of viscous damping is 8 N-s/m. The system is __________.

For a cam follower system with roller follower, the base circle diameter is 28 mm and roller diameter are 7 mm. If pressure angle of the given system is 15°. The radius of the prime circle is given by __________.

For an isochronous governor, the controlling force at radius 40 mm is 200 N. The controlling force at 60 mm radius will be: