JY CHEN - Ask Anything, Learn Everything. Logo

Questions in engineering

[Free] Where is the ACCM on an electronic A/C equipped hybrid? A) It is part of the PCM B) It is part of the TCM C) On the evaporator behind the instrument panel D) It is part of the air conditioning compressor

[Free] What can happen to a lubricating oil cooled piston if you stop lubrication oil pump as soon as you turn off the engine? (A) Nothing will happen. (B) You preserve the oil sealings in the piston. (C) The oil flashpoint will change. (D) Overheating of the piston and oil coke deposits in the cooling chambers. (E) Saya Tidak Tahu.

[Free] What is the Safety Diamond? A. A no-drive zone that encompasses the entire aircraft and utilizes an imaginary line drawn to the tail B. The area around the Main Cabin Door that is a hazard area C. The area behind Jet Engines D. The area where you should store baggage before transporting it to the aircraft

[Free] While considering the primary distribution voltage to AC networks, which of the following aspects need to be considered? Select all options that apply. A. Contingency design B. Size of a network area C. Number of feeders in a duct system D. Station bus diversity

[Free] Engineers in the UAE are building circular water tanks to support clean water supply in desert areas. Each tank has a circular base. The diameter of the base is 5 meters. a) What is the radius of the tank's base? b) If the engineers build 5 tanks, how many meters of diameter will be used in total? c) Why is it important to design water tanks using circles and how does this help support clean water access in a sustainable way?

[Free] Before assembling the main shift control shafts, be sure to lubricate them with: A. 30 weight oil. B. Automatic transmission fluid. C. CV joint grease. D. Petroleum jelly.

[Free] SAE J2810 establishes the standard for HFC-134a (R-134a) recovery for only equipment used in conjunction with the on-site recovery/recycling equipment used at service facilities for off-site refrigerant reclamation or other environmentally legal use. True False

[Free] Who is responsible for determining if a confined space has acceptable entry conditions? Select the best answer that applies. A. Attendant B. Rescue team C. Entrant D. Entry supervisor

[Free] (c) (i) Define each of the following with respect to magnetic circuits: (ii) susceptibility; hysteresis. (2 marks) (d) A magnetic material has a relative permeability of 3. The material is placed in a magnetic field strength of 8 A/m. Determine the: (i) magnetic flux density in the material; (ii) magnetization; (iii) susceptibility. (6 marks)

[Free] What precaution should be taken for the deck seal of an inert gas system in extreme cold weather? Pick the best answer. A. Isolate the deck seal B. Make sure the deck seal heating coil is in use and working C. Close the deck isolating valve D. Ensure a flow of warm inert gas through the seal at all times