What
How
How many
How much
第1题:
A.Nice and cool
B.The weather forecast says it’s fine
C.About 18 degrees
D. Sure, it’s sunny
第2题:
Sweat damage will occur in a cargo hold containing machinery parts when ______.
A.the outside air is colder than the cargo.
B.the air temperature of the hold is higher than the outside air temperature.
C.the dew point of the hold is higher than the temperature of the cargo.
D.the dew point of the outside air is lower than the temperature of the cargo
第3题:
Which statement is TRUE concerning the flash point of a substance ________.
A.It is lower than the ignition temperature
B.It is the temperature at which a substance will spontaneously ignite
C.It is the temperature at which a substance,when ignited,will continue to burn
D.It is the temperature at which the released vapors will fall within the explosive range
第4题:
What day is it today?()
AIt's March
BIt's a fine day today.
CIt's March today.
DIt's Monday.
第5题:
在UPS电源中,“逆变器散热片的温升过高自动关机”的专业英语为()。
第6题:
decreases as temperature increases
increases with the temperature
is not affected by temperature
may increase or decrease as the temperature rises
第7题:
Pressure and temperature decrease
Pressure and temperature increase
Pressure decreases and temperature increases
Pressure increases and temperature decreases
第8题:
higher than the first stage feed-water temperature and absolute shell pressure
lower than the first stage feed-water temperature and absolute shell pressure
the same as the first stage feed-water temperature and absolute shell pressure
not related to the feed-water temperature and absolute shell pressure
第9题:
It is lower than the ignition temperature
It is the temperature at which a substance will spontaneously ignite
It is the temperature at which a substance, when ignited, will continue to bum
It is the temperature at which the released vapors will fall within the explosive range
第10题:
freezing point
floc point
condensing temperature
compression temperature
第11题:
low temperature hardening
case hardening
annealing
tempering
第12题:
surface temperature and temperature aloft are equal
surface temperature and temperature aloft differ greatly
barometric pressure is very low
relative humidity is very high
第13题:
A.var today;today=new Date( );
document.write("今天是"+today.getYear( )+"年"
+(today.getMonth( )+1)+"月"+today.getDay( )+"日");
B.var today; today=new Date( );
document.write("今天是"+today.getFullYear( )+"年"
+(today.getMonth( )+1)+"月"+today.getDay( )+"日");
C.var today;
Today=new Day( );
document.write("今天是"+today.getFullYear( )+"年"
+(today.getMonth( )+1)+"月"+today.getDate( )+"日");
D.var today;
today=new Date( );
document.write("今天是"+today.getFullYear( )+"年"
+(today.getMonth( )+1)+"月"+today.getDate( )+"日");
第14题:
Sweat damage in a hatch full of canned goods in cartons will occur when the ______.
A.Air temperature is higher than the temperature of the cargo
B.Air temperature is lower than the temperature of the cargo
C.Dew point is higher than the temperature of the cargo
D.Dew point is lower than the temperature of the cargo
第15题:
Cloud formations are minimal when the ______.
A.surface temperature and temperature aloft are equal
B.surface temperature and temperature aloft differ greatly
C.barometric pressure is very low
D.relative humidity is very high
第16题:
What day is it today?()
第17题:
dry
wet
super-cooled
superheated
第18题:
high exhaust temperature and low firing pressure
high exhaust temperature and high firing pressure
low exhaust temperature and low firing pressure
low exhaust temperature and high firing pressure
第19题:
What
How
How many
How much
第20题:
its pressure and temperature are both lowered
its pressure and temperature are both raised
its pressure is lowered and its temperature is raised
its pressure is raised and its temperature is lowered
第21题:
decrease
increase
decrease to zero
remain unchanged
第22题:
amount of temperature rise with no load
temperature of the compartment where the motor is located
normal operating temperature, less the room temperature
amount of temperature developed by an operating motor
第23题:
Viscosity will increase as temperature increases
Viscosity is a measure of a fluid s internal resistance to flow
Viscosity will decrease as temperature decreases
Viscosity is not dependent on temperature
第24题:
drops,and the temperature drops
drops,and the temperature rises
rises,and the temperature drops
rises,and the temperature rises