Discussion
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- Question
Spark plugs in automobiles generally have a gap between
Options- A. 0.3 to 0.7 mm
- B. 0.2 to 0.8 mm
- C. 0.4 to 0.9 mm
- D. 0.6 to 1.8 mm
- Correct Answer
- 0.6 to 1.8 mm
ExplanationSpark plugs in automobiles generally have a gap between 0.6 and 1.8 mm (0.024 and 0.071 in). The gap may require adjustment from the out-of-the-box gap. - 1. The discharge is __________ at critical pressure.
Options- A. zero
- B. minimum
- C. maximum Discuss
- 2. The heating and expanding of a gas is called thermodynamic system.
Options- A. Yes
- B. No Discuss
- 3. The workdone in a free expansion process is zero.
Options- A. True
- B. False Discuss
- 4. The rivets are used for __________ fastenings.
Options- A. permanent
- B. temporary Discuss
- 5. The limit of eccentricity is based upon no tension condition.
Options- A. True
- B. False Discuss
- 6. A file with 50 - 60 teeth in 25 mm is called bastard file.
Options- A. True
- B. False Discuss
- 7. Blast furnace is used to produce
Options- A. pig iron
- B. cast iron
- C. wrought iron
- D. steel Discuss
- 8. In welding aluminium with TIG arc welding, alternating current is used.
Options- A. Correct
- B. Incorrect Discuss
- 9. German silver contains
Options- A. 1% silver
- B. 2% silver
- C. 5% silver
- D. no silver Discuss
- 10. The taper on the lathe spindle is
Options- A. 1 in 10
- B. 1 in 15
- C. 1 in 20
- D. 1 in 30 Discuss
More questions
Correct Answer: maximum
Correct Answer: No
Correct Answer: True
Correct Answer: permanent
Correct Answer: True
Correct Answer: False
Correct Answer: pig iron
Correct Answer: Correct
Correct Answer: no silver
Correct Answer: 1 in 20
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Automobile EngineeringCompressors, Gas Dynamics and Gas TurbinesEngineering MaterialsEngineering MechanicsHeat Transfer, Refrigeration and Air ConditioningHydraulic MachinesHydraulics and Fluid MechanicsIC Engines and Nuclear Power PlantsIndustrial Engineering and Production ManagementMachine DesignProduction EngineeringSteam Boilers and EnginesSteam Nozzles and TurbinesStrength of MaterialsTheory of machinesThermodynamicsWorkshop TechnologyProgramming
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