更多"Under normal operating conditions, "的相关试题:
[单项选择]Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.
A. first stage
B. second stage
C. distillate cooler
D. salt water feed heater
[单项选择]Operating conditions in the crank chamber are very （） those in the cylinder.
A. the same as
B. similar to
C. separated from
D. different from
[单项选择]Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）
A. Decreased connecting rod bearing clearance
B. Increased connecting rod bearing clearance
C. Decreased compression ratio
D. Increased compression ratio
[单项选择]Engine operating conditions may be indicated by the color of the exhaust smoke.Black smoke could indicate（）
A. an insufficient speed droop setting
B. an overloaded engine
C. clogged drain holes in the oil control rings
D. complete combustion
[单项选择]Which of the listed operating conditions would have the greatest effect on the volumetric efficiency of an operating reciprocating air compressor?（）
A. The density of the air entering the compressor
B. The temperature of the air entering the compressor
C. The designed rotating speed of the compressor
D. A leaking head gasket
[单项选择]Under normal conditions a liferaft is released from itscradle by（）.
A. cutting the restraining strap
B. unscrewing the turnbuckle on the back of the cradle
C. lifting one end of the raft
D. pushing the plunger on the center of the hydrostatic release
[单项选择]While sailing under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is （）
A. power of main engine
B. turbine rotation speed
C. speed of main engine
D. exhaust temperature
[单项选择]Under normal conditions, the refrigerant enters the compressor in an operating refrigeration system as a （）.
A. liquid
B. dry saturated gas
C. wet saturated gas
D. superheated vapor
[单项选择]Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.
A. Lashings are always required
B. One container
C. Two containers
D. Three containers
[单项选择]Under normal conditions, the quantity of air circulation becomes less and less.What is the reason?（）
A. dirty delivery ducts
B. too much refrigerant
C. the fouling filters
D. high temperature outside
[单项选择]When anchoring a vessel under normal conditions，which scope of chain is recommended? （）
A. Four times the depth of water
B. Two and one-half times the depth of water
C. Five to seven times the depth of water
D. Fifteen times the depth of water
[单项选择]Under normal conditions, the main source of crankcase oil contamination is attributed to （）
A. metal particles loosened by wear
B. air when air cleaners are not used
C. condensation of water vapors
D. breakdown of the lubricating oil by dilution
[单项选择]When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.
A. viscosity will decrease
B. volume will increase
C. volume will decrease
D. pour point will be reduced
[单项选择]HARD RIGHT RUDDER means（）.
A. put the rudder over to the right all the way
B. jam the rudder against the stops
C. meet a swing to the right，then return to amidships
D. put the rudder over quickly to 15°right rudder
[单项选择]The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.
A. transmitter
B. tele-motor
C. hydraulic ram
D. hydraulic cylinder
[单项选择]Rudder motion is prevented from exceeding the movement of the steering wheel by the（）
A. return springs
B. six-way valve
C. follow-up gear
D. differential gear
[单项选择]The actual rudder angle reading is（）
A. the rudder angle indicator reading
B. the desired rudder angle reading
C. the measured rudder angle reading
D. the intended rudder angle reading
[单项选择]Ease the rudder means to（）.
A. decrease the rudder angle
B. move the rudder slowly in the direction of the most recent rudder command
C. bring the rudder amidships
D. steer the course which is your present heading
