Term
Four stroke engines produce one power stroke for every ____.
four crankshaft rotations
two crankshaft rotations
six crankshaft rotations
three crankshaft rotations
crankshaft rotation
Give this one a try later!
c d
e b
Don't know?
, 2 of 208
Definition
b
Give this one a try later!
Adjusting the operating temperature in the generator controls the ____.
non-condensable gas concentration
freon concentration
water concentration
salt concentration
lithium bromide concentration
To prevent the possibility of a furnace explosion, if the fuel fails to ignite it
should ____.
have the supply pressure increased
immediately be shutoff
have the inlet fuel filter replaced
have the supply pressure decreased
have the ignition duration time limit increased
The _____, the smaller the change of viscosity of the lubricating oil with
temperature change.
higher the floc point
higher the viscosity number
higher the pour point
higher the viscosity index
higher the viscosity grade
, A temperature of -15'C evaporating and 30'C condensing is the ____.
a) best operating conditions to ensure the refrigerants miscibility with oil
b) best operating conditions to prevent corrosion in the piping system
c) standard conditions used to compare the performance of refrigeration cycles
d) best conditions to minimize the refrigerants leakage tendency
e) conditions for highest operating efficiency
Don't know?
3 of 208
Term
The dehydration stage in a natural gas processing plant is where
entrained ____ is removed from the natural gas stream.
crude oil and gasoline
mercaptan and odorant
glycol
hydrocarbons and water vapour
desiccant
Give this one a try later!
c a
b d
Don't know?
4 of 208
, Term
121°C is the highest temperature a ____ should achieve.
direct fired heater
heat recovery steam generator
once through steam generator
salt bath line heater
hot water boiler
Give this one a try later!
e b
a d
Don't know?
5 of 208
Term
A conductivity meter can be used to determine the ____ of boiler
feedwater.
temperature
total dissolved solids
alkalinity
organic composition
acidity