Which of the listed types steam traps operates on the principle that hot water flashes to steam when its vapor pressure is rapidly reduced?()
- ABall float
- BThermostatic
- CBimetallic
- DImpulse
Which of the listed types steam traps operates on the principle that hot water flashes to steam when its vapor pressure is rapidly reduced?()
1、Which of the listed set of conditions
Which of the listed set of conditions indicates early fuel injection timing?()ALoss of engine power and high exhaust temperaturesBHigher than n...
2、Which of the listed failures, occurrin
Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control stati...
3、Which of the precautions listed should
Which of the precautions listed should be observed when taking on diesel fuel?()ASecure all lighting to the main deckBProvide a portable fan to blow away fumesCProhibit smoking in the areaDDisplay a black triangle during daylight hour
4、Which of the listed effects represents
Which of the listed effects represents the purpose of heat treating steel?()ADevelop ductilityBImprove machining qualitiesCRelieves stressesDAll of the above
5、Which of the problems listed represent
Which of the problems listed represents the major difficulty encountered with thermal expansion valve operation?()ALube oil passing through the ...
6、Which of the listed types of files is
Which of the listed types of files is the best for producing a fine finish on metal?()AMillBFloatCWardingDSecond cut