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Questions in engineering

[Terjawab] 1. Explain why wood cannot be used to make cooking utensils? 2. How do woollen clothes keep us warm in winters? 3. What is meant by insulators? 4. Explain the term brittle and malleable. 5. What makes metal dull after some time? 6. Why do we classify materials?

[Terjawab] Which of the following statements is true with regard to the flexibility method of analysis? A) Difference of the area of moment and flexural rigidity B) The area of moment multiplied by the flexural rigidity C) Summation of the area of moment and flexural rigidity D) The area of moment divided by the flexural rigidity

[Terjawab] When suppressing an electrical fire, what precaution should be taken? A. Use cold water only B. All answers are correct C. Ensure the horn of the fire extinguisher does not touch live circuits D. Turn off and lock out power prior to suppressing the fire

[Terjawab] To prevent someone from turning on the power to the equipment you're working on, you should do which of the following? A. Follow lock-out, tag-out procedures B. Let your supervisor know you're working on the equipment C. Turn off the main power at the breaker panel D. Let everyone know you're working on the equipment

[Terjawab] 1. Why is it important to follow proper safety procedures when removing and installing an engine? (2 marks) 2. List and explain the steps you should take before removing an engine from a vehicle. (8 marks) 3. What problems can occur if an engine is not installed correctly, and how can they be avoided? (2 marks) 4. List the device used to remove the engine from the vehicle.

[Terjawab] 5. Explain how a visual inspection during an engine test can help detect problems. (5 marks) 6. Why is it important to record engine test results, and how can they help with future maintenance? (5 marks) 7. Name two signs that an engine has a problem. (2 marks) 8. What tool is used to check engine problems?

[Terjawab] Which of the following does the slope of the stress vs. strain curve NOT represent? A. Modulus of Elasticity B. Stiffness C. Strength

[Terjawab] Using the wrong refrigerants during "top off" service activities will not cause system damage to the air conditioner? True or False?

[Terjawab] 7. Which is mainly required to determine the dimension of building for preparing wiring estimation? A) Schedule of work B) Drawing layout C) Types of building D) Specification of materials 8. Consider the residual current device (RCD), according to I.E.E the maximum voltage to earth when a fault occurs should not exceed. A) 70 volt B) 40 volt C) 50 volt D) 80 volt

[Terjawab] What is a nut driver used for? A. Pulling nails B. Turning a screw-on fitting on a pipe C. Tightening and loosening small nuts and bolts D. Tightening large bolts