Discussion
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- Question
In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The machinability of aluminium increases when __________ is added to aluminium.
Options- A. copper
- B. magnesium
- C. silicon
- D. lead and bismuth Discuss
- 2. In electric resistance welding, pressure applied varies from
Options- A. 1 to 5 MPa
- B. 5 to 10 MPa
- C. 10 to 25 MPa
- D. 25 to 55 MPa Discuss
- 3. Line organisation is suitable for a big organisation.
Options- A. Correct
- B. Incorrect Discuss
- 4. The ratio of the isentropic work to the Euler's work is known as pressure coefficient.
Options- A. Yes
- B. No Discuss
- 5. An activity of the project is graphically represented by __________ on the network diagram.
Options- A. a circle
- B. a straight line
- C. an arrow Discuss
- 6. The size of a lathe is specified by the
Options- A. length between centres
- B. swing diameter over the bed
- C. swing diameter over the carriage
- D. all of these Discuss
- 7. In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in
Options- A. exit nozzle, which is a constant volume process
- B. exit nozzle, which is essentially an isentropic process
- C. turbine blades, which is a constant volume process
- D. turbine blades, which is essentially an isentropic process Discuss
- 8. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called
Options- A. truing
- B. dressing
- C. facing
- D. clearing Discuss
- 9. The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
Options- A. equal to
- B. one-fourth
- C. one-half
- D. twice Discuss
- 10. PERT is applied for
Options- A. marketing programmes and advertising programmes
- B. installation of machinery
- C. research and development of products
- D. all of these Discuss
More questions
Correct Answer: lead and bismuth
Correct Answer: 25 to 55 MPa
Correct Answer: Incorrect
Correct Answer: Yes
Correct Answer: an arrow
Correct Answer: all of these
Correct Answer: turbine blades, which is essentially an isentropic process
Correct Answer: truing
Correct Answer: one-half
Correct Answer: all of these
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