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- Question
In a face centred cubic space lattice, there are
Options- A. nine atoms out of which eight atoms are located at the corners of the cube and one atom at its centre
- B. fourteen atoms out of which eight atoms are located at the corners of the cube and six atoms at the centres of six faces
- C. seventeen atoms out of which twelve atoms are located at the twelve corners of the hexagonal prism, one atom at the centre of each of the two hexagonal faces and three atoms are symmetrically arranged in the body of the cell
- D. none of the above
- Correct Answer
- fourteen atoms out of which eight atoms are located at the corners of the cube and six atoms at the centres of six faces
- 1. Hydrogen is the __________ substance.
Options- A. lightest
- B. heaviest Discuss
- 2. Cemented carbide tools are generally poor in shear.
Options- A. Yes
- B. No Discuss
- 3. Hot piercing is extensively used for making bolts and nuts.
Options- A. Yes
- B. No Discuss
- 4. A Francis turbine is an outward flow reaction turbine.
Options- A. True
- B. False Discuss
- 5. The negative acceleration is called retardation.
Options- A. True
- B. False Discuss
- 6. When the spring of a watch is wound, it will possess
Options- A. strain energy
- B. kinetic energy
- C. heat energy
- D. electrical energy Discuss
- 7. An alloy of copper, tin and zinc is known as
Options- A. brass
- B. bronze
- C. gun metal
- D. muntz metal Discuss
- 8. In electro-chemical machining, the gap between the tool and work is kept as
Options- A. 0.1 mm
- B. 0.25 mm
- C. 0.4 mm
- D. 0.75 mm Discuss
- 9. The pressure of steam at throat of a steam nozzle is called critical pressure.
Options- A. Agree
- B. Disagree Discuss
- 10. Which part of the automobile tyre is subjected to greatest flexing action?
Options- A. Bead
- B. Side wall
- C. Shoulder
- D. Tread Discuss
More questions
Correct Answer: lightest
Correct Answer: Yes
Correct Answer: No
Correct Answer: False
Correct Answer: True
Correct Answer: strain energy
Correct Answer: gun metal
Correct Answer: 0.75 mm
Correct Answer: Agree
Correct Answer: Side wall
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