The speed at which a storm centre moves is the().
A、speed of movement
B、speed of advance
C、speed of storm
D、storm movement speed
A、speed of movement
B、speed of advance
C、speed of storm
D、storm movement speed
A、speed of the current at a particular time B、maximum speed of the current C、direction from which the current flows D、direction in which the current flows
A、Lock the turbine rotor and slowly bleed in steam until operating temperature is reached B、Run the pump at high speed with the discharge valves closed C、Run the turbine at slow speed with the pump disconnected D、Shut the discharge valve and run the pump at slow speed
A、A.speed of the current at a particular time B、B.maximum speed of the current C、C.direction from which the current flows D、D.direction in which the current flows
A、fluctuates with the engine speed to some extent, independent of the engine speed B、keeps constant at all engine speed, dependent on the engine speed to some extent C、keeps constant at all engine speed, independent of the engine speed D、is decided by the engine speed, constant at all engine speed
A、decelerating when lowering the load B、decelerating when raising the load C、lowering the load at constant speed D、raising the load at constant speed
A、Bypass the after-cooler to operate at speed B、Run at reduced speed until the cooler can be repaired or renewed C、Switch to diesel fuel and run at full speed D、Nothing need to be done due to the low heating value of heavy fuel