MACHINE DESIGN QUIZ

Applications in which stresses are encountered in one direction only uses following type of threads

Buttress

Acme

Square

Metric

TRUE ANSWER : ?
YOUR ANSWER : ?

In a butt welded joint, the size of weld is __________ the throat of weld.

2 times

Double

Equal to

0.5 times

TRUE ANSWER : ?
YOUR ANSWER : ?

The material generally used for aircraft components is

Mild steel

Stainless steel

High speed steel

Aluminium

TRUE ANSWER : ?
YOUR ANSWER : ?

The endurance limit for a mirror polished material will be __________ as compared to unpolished material.

More

Same

Less

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Spring stiffness is

Load required to produce unit deflection

Ratio of coil diameter to wire diameter

Its ability to absorb shocks

Its capability of storing energy

TRUE ANSWER : ?
YOUR ANSWER : ?

The power transmitted by means of a belt depends upon

Tension under which the belt is placed on the pulleys

All of these

Velocity of the belt

Arc of contact between the belt and the smaller pulley

TRUE ANSWER : ?
YOUR ANSWER : ?

Belt slip may occur due to

Heavy load

All of these

Loose belt

Driving pulley too small

TRUE ANSWER : ?
YOUR ANSWER : ?

A screw is said to be over hauling screw, if its efficiency is

None of these

More than 50%

Equal to 50%

Less than 50%

TRUE ANSWER : ?
YOUR ANSWER : ?

The cross-section of the arm of a bell crank lever is

Elliptical

I-section

Any one of these

Rectangular

TRUE ANSWER : ?
YOUR ANSWER : ?

A feather key is generally

Loose in both shaft and hub

Tight in both shaft and hub

Loose in shaft and tight in hub

Tight in shaft and loose in hub

TRUE ANSWER : ?
YOUR ANSWER : ?

↑