Before counterflooding to correct a li

1、Before attempting to put out a class “

Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.Ainsulate your shoesBground the fire hoseCsecure its power supplyDstart the fire pum

2、To correct the condition of slugging a

To correct the condition of slugging and flooding back in a refrigeration system, it may be necessary to （）.Are-adjust the discharge pressureBclean the expansion valve screenCadd refrigerantDadjust the expansion valve

3、The correction to be applied to a Lora

The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.Aon loran charts covering areas...

4、To correct a hunting problem in a main

To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should （）.Aincrease the governor oil pressureBadjust the speed droop settingCadjust the speeder spring travelDadjust the compensating needle valve

5、The proper way to correct a mistake in

The proper way to correct a mistake in the logbook is to（）.Aerase the entry and rewriteBdraw several lines through the entry，rewrite，and ini...

6、A phase correction is applied to obser

A phase correction is applied to observations of（）.Athe SunBstarsCplanetsDAll of the above