Between the steam dram and the smaller water dram below, large numbers of smaller diameter
A. fire
B. water wall
C. generating
D. down comer
Which of the following statements represents the advantage of rotary pumps as compared to
A. The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump
B. Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight
C. Rotary pumps occupy only one-half the space of reciprocating pumps
D. Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pump
The fire alarms are ringing. You must go to the ________.
A. bridge
B. hold
C. muster station
在分开设置的含氧液体慢化剂系统(压力管式反应堆)中，反应堆运行期间的主要活性是()。
A. 3H
B. 190
C. 16N
D. 18F
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