In the operation of a flash type evaporator equipped with air ejectors,the air and non- condensable gases are evacuated directly from the （）.
You are performing an incomplete recovery because certain important tables were deleted and purged from the Recycle Bin. In which mode will you perform the recovery？（）
After each reading of an oxygen indicator, the instrument should be purged with（）.
Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?（）
The air spaces in the floor of an inflatable liferaft will provide protection against（）.
You are maintaining the database in Oracle10g. You are performing an incomplete recovery by using RMAN because an important table， EMPLOYEE， is dropped and purged from the Recycle Bin. Which statement is NOT true regarding an incomplete recovery？（）
You took the DATA1 tablespace offline at 10：00 A.M. At 12：30 P.M.， a schema of a user is dropped and purged from the Recycle Bin. You noticed this at 2：00 P.M. and decided to perform an incomplete recovery. Which datafiles will you recover？（）
Great care is dedicated to the removal of from the scavenge air（）
The purpose of an air compressor unloading device is to （）
As the temperature of an air mass decreases，the（）.
Which of the following statements describes the function of an air compressor intake filter?（）
The quantity of cooled air delivered by an air conditioning unit should （） the sum of the quantity of air re-circulated to the unit and the quantity mechanically exhausted.
For the proper control of the air temperature in an air conditioning system using chilled water circulation, which of the listed conditions should remain constant regardless of load changes?（）
Condensate must be drained from the intercooler and after-coolers of an air compressor because （）.
A knocking sound from one cylinder of an operating air compressor indicates （）.
In an air conditioning system, moisture is removed from the air by（）
The air charge leaving an intercooler, or after-cooler of an air compressor can be expected to be （）.
You are performing an incomplete recovery because a tablespace is dropped and purged from the Recycle Bin. In which mode will you execute the following code？（） RMAN>RUN { SET UNTIL SEQUENCE THREAD ； RESTORE DATABASE； RECOVER DATABASE； }
Air blowing from the intake air filter of an operating air compressor indicates （）.
The process of removing moisture from air is known as（）.
The loss of （） from an air compressor could lead to an overheated air discharge and possibly an explosion in the pipelines leading to the air reservoir.
You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility？（）
The purpose of the programmed purge cycle on an automatically fired auxiliary boiler is to（）
It can be inferred from the passage that most people in the United States in 1955 viewed the national economy with an air of _________.
