1. Decreasing center distance between gear pair
2. Decreasing module
3. Decreasing pressure angle
4. Increasing number of gear teeth
Increasing number of gear teeth
1. Metacentre should be below centre of gravity
2. Metacentre should be above centre of gravity
3. Metacentre and centre of gravity must lie on the same horizontal line
4. Metacentre and centre of gravity must lie on the same vertical line
Metacentre should be above centre of gravity
1. 2
2. 3
3. 4
4. 5
4
1. k
2. n
3. n-k
4. n+k
n-k
1. 2
2. 1
3. 0.2
4. 0.1
2
1. equal to entropy change of the reservoir
2. equal to entropy change of water
3. equal to zero
4. always positive
always positive
1. 177
2. 354
3. 500
4. 707
354
1. fatigue strength
2. work hardening
3. fracture strength
4. elastic constant
fracture strength
1. sprue base area: runner area: ingate area
2. pouring basin area: ingate area: runner area
3. sprue base area: ingate area: casting area
4. runner area: ingate area: casting area
sprue base area: runner area: ingate area
1. -0.025, ± 0.008
2. -0.025, 0.016
3. -0.009, ±0.008
4. -0.009, 0.016
-0.009, 0.016