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WorksheetsMechnoSpell Challenge-002
Total questions: 10
Worksheet time: 5mins
Stress
Internal Force
External Force
Pressure
N/m^2
If the diameter of a shaft is doubled, its torsional strength increases by:
2-times
4-times
8-times
16-times
In laminar flow through a circular pipe, the velocity profile is:
Uniform
Parabolic
Hyperbolic
Rectangular
Thermal conductivity of a perfect insulator is:
Zero
Infinity
One
Depends on Temperature
Which material shows BCC structure at room temperature?
Aluminium
Copper
α-iron
Magnesium
A body moving in a circular path with constant speed has:
Constant velocity
Zero acceleration
Constant acceleration (centripetal)
No force acting
The entropy of the universe:
Always decreases
Always increases
Remains constant
First increases then decreases
Poisson’s ratio of a perfectly incompressible material is:
0
0.25
0.5
0.33
Which of the following is a non-ferrous alloy?
Cast iron
Brass
Stainless steel
Mild steel
In arc welding, the heat is generated due to:
(a)
