The number of preheat holes determines the ____.

A. amount of preheat flame required
B. type of fuel gas to be used
C. arc length
D. kindling temperature


Answer: B

Trades & Technology

You might also like to view...

What frequency should be applied to a six-pole motor to produce a synchronous speed of 400 RPM?

a. 10 Hz b. 20 Hz c. 40 Hz d. 60 Hz

Trades & Technology

According to this textbook the slope of a suction line should be:

a. 1/8” per foot in the direction of refrigerant flow b. ¼” per foot in the direction of refrigerant flow c. 1/8” per foot in the direction opposite the flow of refrigerant d. ¼” per foot in the direction opposite the flow of refrigerant

Trades & Technology

What is one of the primary complaints that customers have about service technicians?

A) Using off brand replacement parts B) Not arriving when they were expected C) Talking too much D) Not talking enough

Trades & Technology

Technician A says to only use new exhaust manifold gaskets if they were used originally. Technician B says to always use new exhaust manifold gaskets to allow for the slight warpage of the exhaust manifold. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology