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Types of Mechanical Clutches Quiz

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Questions and Answers

What is the primary function of a brake in a machine member?

To introduce mechanical flexibility in the shaft
To control the motion of the machine member (correct)
To transmit power between shafts
To connect two shafts

Which type of coupling is used to connect shafts of a motor and generator that are manufactured separately?

Rigid coupling (correct)
Sleeve or muff coupling
Flexible coupling
Flange coupling

What is the purpose of introducing protection against overloads in a coupling?

To connect motor and generator shafts
To reduce shock loads
To allow misalignment of shafts
To prevent damage due to excessive loads (correct)

Which material is a Sleeve or muff coupling typically made from?

Cast iron (C) Signup and view all the answers

What is the main purpose of using a universal coupling in machinery?

To allow misalignment of shafts (D) Signup and view all the answers

Which type of clutch is known for transmitting torque through frictional contact between a single disc and a pressure plate?

Single disc clutch (B) Signup and view all the answers

What is a characteristic of single disc clutches?

They are used in automobiles (A) Signup and view all the answers

What is the main advantage of multi disc clutches over single disc clutches?

They have more contact surface discs for torque transmission (B) Signup and view all the answers

In a cone clutch, what is the role of the operating lever?

To disengage the clutch (D) Signup and view all the answers

What is a distinguishing feature of a centrifugal clutch?

It has shoes covered with friction material on the inside of a drum or pulley (B) Signup and view all the answers

When is a multi disc clutch preferred over a single disc clutch?

When large torque transmission is needed (A) Signup and view all the answers

What makes multi disc clutches more suitable for high torque applications?

They have more number of contact surfaces discs on driving and driven shaft (A) Signup and view all the answers

What happens when the centrifugal force is equal to the spring force in a centrifugal clutch?

The shoe is just floating (A) Signup and view all the answers

In a jaw clutch, what type of projections are present in one flange and what corresponds to them on the other flange?

Segmental projections, corresponding recesses (A) Signup and view all the answers

What is the purpose of a brake in a machine?

To absorb kinetic energy of the moving member (A) Signup and view all the answers

How is the driving flange connected to the driving shaft in a jaw clutch?

Rigidly keyed (A) Signup and view all the answers

What happens as speed increases in a centrifugal clutch?

The shoe presses harder against the driven member (C) Signup and view all the answers

How does a cone clutch transmit power between driving and driven shafts?

By friction between cone surfaces (A) Signup and view all the answers

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