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Questions in engineering

[Terjawab] The nitrogen cylinder's valve should only be opened: A. All answers are correct B. When the ambient temperature is above 70F C. When the cap is on the cylinder D. When a regulator has been installed

[Terjawab] A counter circuit is usually constructed of ______ Select the correct option: A) A number of NOR gates connected in cascade form B) A number of flip-flops connected in cascade C) A number of latches connected in cascade form D) A number of NAND gates connected in cascade form

[Terjawab] Explain how gear ratio affects torque and speed in a gear system. Support your answer with an example using a gear ratio of 1:3.

[Terjawab] Which of the following statements is correct regarding the slope deflection method? 1) This method is a displacement method of analyzing beams and rigid frames. 2) In this method it is assumed that all deformation is due to ending moment only. A) Both 1 and 2 B) Only 1 C) Neither 1 nor 2 D) Only 2

[Terjawab] Which of the following oil grades would be easiest to start in cold weather? A. 20W - 40 B. 20W - 50 C. 0W - 40 D. [tex]$5 W-30$

[Terjawab] A hazard review of a confined space must be performed A. on any confined space B. at the discretion of the site supervisor C. on any permit-required space D. if there is a known hazard

[Terjawab] If a power plant is under maintenance/repair, what can ensure continuous power supply to the area served by that plant? A. Power grids B. Tie lines C. Sub-transmission lines D. Generators

[Terjawab] A new cylindrical brass bearing sleeve for a pump shaft is found to be a few millimetres too long for the housing and needs to be adjusted to the correct length. Which will be the best method to use to reduce the length of the sleeve to the correct dimension? A. Grind off the excess on a pedestal grinder for quickness B. Cut off the excess with a mechanical hacksaw C. Remove the excess length using the ship's lathe D. Manually hacksaw off the excess and dress the end with a file E. Saya Tidak Tahu.

[Terjawab] Is it true or false that a wooden ladder should be kept painted so it looks nice?

[Terjawab] 1. What are the two basic classifications of timers? 2. Explain the operation of an on-delay relay. 3. Explain the operation of an off-delay relay. 4. What are instantaneous contacts? 5. How are pneumatic timers adjusted? 6. Name two methods used by electronic timers to obtain their time base.