BECC mod 7/8 part 2 Test Questions with Correct Answers

BECC mod 7/8 part 2 Test Questions with Correct Answers


Question 1:
what is the purpose of rotary pumps
Answer:
to move viscous (thick) liquids. (fuel/oil)



Question 2:
high velocity jet
Answer:
jet pump



Question 3:
which tank stores oily waste PRIOR
Answer:
oily waste holding tank



Question 4:
what is a heat exchanger not classified by
Answer:
the SIZE of the heat exchanger



Question 5:
type of heat exchanger that uses one fluid flow at a right angle (90°). used for most condensers
- cross gear with teeth arranged in a V
Answer:
doubles helical



Question 6:
when should a oil lubricated coupling be refilled
Answer:
after any pump overhaul

, Question 7:
what type of friction requires the least amount of energy to overcome
Answer:
fluid



Question 8:
what describes the MRG's (main reduction gear) purpose
Answer:
double input, single outputwhat gear cut is used to reduce axial thrust, produce smoother
action, and reduce gear tooth



Question 9:
what describes the MRG's (main reduction gear) purpose
Answer:
double input, single output



Question 10:
what gear cut is used to reduce axial thrust, produce smoother action, and reduce gear tooth
stress.
Answer:
double helical



Question 11:
what is a vertical pipe with a magnetic float that rides on the surface of the fuel oil.
Answer:
indirect



Question 12:
reading sight glass what is used to deballast tanks below the water line.
Answer:
compressed air