EMD UNIT-2 mcq Quiz

Shafts are generally available up to _____ metres length.

• 5

• 6

• 7

• 8

_____ are used to connect two or more shafts together.

• Bolts

• Keys

• Couplings

• Pins

Rigid flange couplings consist of _____ flanges.

• One

• Two

• Three

• Four

The reason for providing a projection in one flange and corresponding recess in the other flange is for _____.

• Decoration

• Cost reduction

• Easy removal

• Perfect alignment of the shafts

The bolts and nuts are projecting outside in _____ coupling.

• Protected type flange

• Marine type flange

• Flexible pin type

• Unprotected type flange

The projecting bolts and nuts are protected by flanges in ______ coupling.

• Unprotected type flange

• Flexible type

• Marine coupling

• Protected type flange

In _____ coupling, the flanges are forged integral with the shafts.

• Flexible

• Marine type flange

• Protected flange

• Split muff

In marine type flange coupling, the flanges are held together by means of _____.

• Welds

• Tapered headless bolts

• Nuts and bolts

• Keys

The couplings used to connect shafts with small axial or angular misalignment is _____.

• Rigid flange coupling

• Split muff coupling

• Bushed pin type flexible couplings

• Marine coupling

In bushed pin type flexible couplings, the coupling bolts are known as _____.

• Bolts

• Nuts

• Keys

• Pins