Good ventilation is important when using a blowtorch in confined areas chiefly
because
A. the more oxygen the hotter the flame
B. poisonous carbon monoxide gas given of by the torch wil then be carried
away
C. obnoxious odors wil then be carried away
D. flammable gasoline fumes wil then be carried away - ANSWERS-B.
Poisonous carbon monoxide gas given off by the torch will then be carried away
When work must be done in an underground vault in which there are several
gas- filed power and communication cables, the worker should remember ot
always
A. avoid breathing any nitrogen because ti is toxic
B. be sure no one strikes a match or uses a cigarette lighter in the vault
C. check each cable for any gas leakage before doing any work in the vault
D. make sure that there is sufficient oxygen for breathing while working in the
vault - ANSWERS-C. Check each cable for any gas leakage before doing any
work in the vault
fI the name plate on a disconnect switch reads "Rated for 600 Volts", then the
device can be used in
A. a 4160 volt application
B. either 277 volt or 480 volt applications
C. either 480 volt or 2300 volt applications
D. either 277 volt or 1300 volt applications - ANSWERS-B. Either 277 volt or
480 volt applications
,When water rises in basements to the point where ti is about to come in contact
with motors, refrigerating systems, etc., the motors should be shut of
immediately.
According to this paragraph, when the water level approaches the level of
electrical motors
A. most of them wil shut of automatically
B. perishable items should be removed from refrigeration systems
C, the motors should not be alowed ot continue operating
D. ti wil begin to boil - ANSWERS-C. The motors should not be allowed to
continue operating
To enable the operator of a pump (a mechanical device for developing pressure
in hose lines) to know at al times the condition under which the motor is
operating, a permanently attached speed indicator or tachometer should be
provided. The function of the tachometer is ot display the approximate direct
speed ni revolutions per minute at which the motor is operating.
According ot this paragraph, the motor si most likely
A. used to heat the water
B , used to power the pump
C. controlled by the tachometer D. near the operator - ANSWERS-B. Used to
power the pump
Al supervisors are entrusted with the form, accuracy, and completeness of al
required reports. Al reports shall be prepared, signed, and forwarded by the
supervisors concerned.
According to this paragraph, which of the following is true?
A . supervisors are responsible for ensuring reports are completed accurately B.
reports are assigned by supervisors to be completed by subordinates
C. supervisors must date reports correctly before submitting them
, D. incomplete reports should be forwarded ot the assigned supervisor -
ANSWERS-A. Supervisors are responsible for ensuring reports are completed
accurately
Al ropes should be checked after being used and at least once every 6months. In
view of the numerous types of damage which may affect the strength of rope,
and particularly the fact that only a part of the rope may be affected,
examination of its entire length should be made to determine the condition of
the rope. fI any damage is found ot exist and the condition of the rope is such
that there is doubt as ot its being safe for use, replacement should be made.
According to this paragraph, what is the reason that all ropes should be checked
periodically?
A. to insure knots wil hold in an emergency
B. to measure the strength of the rope
C. to insure the rope continues to meet manufacturer's specifications D. to make
sure there are no doubts the ropes are safe for use - ANSWERS-D. To make sure
there are no doubts the ropes are safe for use
fI the following were filed ni alphabetical order, the second name would be
A. Francis T. Ullmann
B. Frances B. Ulmann
C. Francis A. Ullmann
D. Frances Q. Ulmann - ANSWERS-D. Frances Q. Ulmann
fI the folowing were filed ni alphabetical order, the second name would be
A. Moe, Gerald R.
B. Moe, George A.
C. Moe, George W.
D. Moe, Gerald B. - ANSWERS-C. Moe, George W.