1. The pressure angle should be larger during rise than that during return for ease of transmitting motion
2. The pressure angle should be smaller during rise than that during return for ease of transmitting motion
3. The pressure angle should be large during rise as well as during return for ease of transmitting motion
4. The pressure angle does not affect the ease of transmitting motion
The pressure angle should be large during rise as well as during return for ease of transmitting motion
1. straight line
2. a hyperbola
3. a ellipse
4. a parabola
a parabola
1. ½ kx2
2. ½ kx2 –mgx
3. ½ k(x+δ)2
4. ½ kx2+mgx
½ kx2 –mgx
1. only when α=0
2. only when α=450
3. only when α=900
4. irrespective of the value of
irrespective of the value of
1. bar AB is subjected to bending but bar BC is not subjected to bending
2. bar AB is not subjected to bending but bar BC is subjected to bending
3. neither bar AB nor bar BC is subjected to bending
4. both bars AB and BC are subected to bending
neither bar AB nor bar BC is subjected to bending
1. 1/3
2. ¼
3. 1/12
4. 1/6
1/12
1. Fly wheel reduces speed fluctuations during a cycle for a constant load, but flywheel does not control the mean speed of the engine if the load changes
2. Flywheel does not reduce speed fluctuation during a cycle for a constant load, but flywheel does not control the mean speed of engine if the load changes.
3. Governor controls speed fluctuations during a cycle for a constant load, but governor does not control the mean speed of the engine if the load changes.
4. Governor controls speed fluctuations during a cycle for a constant load, and governor also control the mean speed of the engine if the load changes.
Fly wheel reduces speed fluctuations during a cycle for a constant load, but flywheel does not control the mean speed of the engine if the load changes
1. m2/sec
2. kg/(m-sec)
3. m/sec2
4. m3/sec2
m2/sec
1. Non-zero normal and shear stress
2. Negative normal stress and zero shear stress
3. Positive normal stress and zero shear stress
4. zero normal stress and non-zero shear stress
Positive normal stress and zero shear stress
1. become cooler
2. Become warmer
3. Remain at the same temperature
4. Either be cooler or warmer depending on the type of gas
Become warmer