A circuit is a pathway for electron flow. A. True
B. False

Higher voltage creates less current flow.
A. True
B. False

Which factor does not affect
resistance.
A. Wire color
B. Length
C. Wire diameter
D. Temperature
E. Material type

Resistance is measured in ohm’s
A. True
B. False

Voltage equals pressure
A. True
B. False

Amperage is the rate of electron flow
A. true
B. False

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk