JY CHEN - Ask Anything, Learn Everything. Logo

Questions in engineering

[Free] A refrigerant leak into a confined space is a serious safety issue due to what reason? A. Most refrigerants are flammable B. Most refrigerants are toxic C. Frostbite could occur D. Oxygen will be displaced

[Free] What is the term used to refer to a solid, liquid, or gas contaminant moving back into the main water supply system?

[Free] In order to avoid the mixing of refrigerants, refrigerant containers and systems have unique fittings. True False

[Free] When erecting a scaffold, on what part of the scaffold would you use scaffold planks? A. As mid-rails B. For access points C. To create a platform D. To be used as an anchor point

[Free] What is the purpose of the crankcase ventilation heater? A. To prevent formation of ice at the crankcase ventilation tube intake connection B. To improve engine efficiency and performance C. To speed up the separation of oil from the crankcase gases D. To route crankcase vapors into the air intake system more quickly

[Free] The pinion companion flange is typically checked for: A. Galling. B. Runout. C. Proper lubrication. D. Noises during acceleration.

[Free] Define industrial motor control. State two (2) applications of industrial motor control. Explain four (4) functions of motor control. Describe the following types of motor controls: i) Manual Control ii) Semi-automatic control iii) Automatic control

[Free] Which engine symptom can be the result of excessive crankcase pressure? A. Odor B. Noise C. Crank no start D. Oil leak

[Free] For a saturated normally consolidated clay specimen, the pore pressure coefficient B will be: A) 1.0 B) 0.8 C) 0.2 D) -0.5

[Free] What do you use tag lines for? A. To move crane loads from a distance B. To mark the edges of a dangerous area C. To make platform edges more visible D. To attach loads to construction vehicles