Discussion
Home ‣ Mechanical Engineering ‣ Workshop Technology See What Others Are Saying!
- Question
The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.
Options- A. Yes
- B. No
- Correct Answer
- Yes
- 1. In a free expansion process,
Options- A. W1 - 2 = 0
- B. Q1 - 2 = 0
- C. dU = 0
- D. all of these Discuss
- 2. If a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
Options- A. equal to
- B. less than
- C. greater than Discuss
- 3. A body is subjected to a direct tensile stress (?) in one plane. The shear stress is maximum at a section inclined at __________ to the normal of the section.
Options- A. 45° and 90°
- B. 45° and 135°
- C. 60° and 150°
- D. 30° and 135° Discuss
- 4. When a body is subjected to direct tensile stresses (?x and ?y ) in two mutually perpendicular directions, accompanied by a simple shear stress ?xy , then in Mohr's circle method, the circle radius is taken as
Options- A.
- B.
- C.
- D.
Discuss
- 5. The cutting tool in a milling machine is mounted on
Options- A. spindle
- B. arbor
- C. column
- D. knee Discuss
- 6. The assumption, generally, made in the theory of simple bending is that
Options- A. the beam material is perfectly homogenous and isotropic
- B. the beam material is stressed within its elastic limit
- C. the plane sections before bending remain plane after bending
- D. all of the above Discuss
- 7. The maximum propulsive efficiency of a turbo-jet engine is at a speed of
Options- A. 1000 km/h
- B. 2000 km/h
- C. 2400 km/h
- D. 3000 km/h Discuss
- 8. For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.
Options- A. equal to
- B. directly proportional to
- C. inversely proportional to Discuss
- 9. The volumetric efficiency of a compressor
Options- A. increases with decrease in compression ratio
- B. decreases with decrease in compression ratio
- C. increases with increase in compression ratio
- D. decreases with increase in compression ratio Discuss
- 10. The heat transfer by conduction through a thick sphere is same as through a thick cylinder.
Options- A. True
- B. False Discuss
More questions
Correct Answer: all of these
Correct Answer: equal to
Correct Answer: 45° and 135°
Correct Answer:
Correct Answer: arbor
Correct Answer: all of the above
Correct Answer: 2400 km/h
Correct Answer: directly proportional to
Correct Answer: decreases with increase in compression ratio
Correct Answer: False
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.