Intell2

 149. Rfer to Fig bellow, what happens if Q1 is fails in open position? 

• Fuse bellow

• 1. Light does not come ON

• Light remains ON

• 1. Light pulses ON and OFF

150. Transformer instead of 4160V has a voltage 4380V. Which tab do you have to use?

• +5%

• 1. -5%

• 1. +2.5%

• 1. -2.5%

151. The 600V autotransformer has 300 turns. How many turns do you need to have 120V?

• 60

• 90

• 210

• 200

152. Where would you ground shield for PLC?

153. The termostat set at 21*C, when room is occupied. Room temperature is 15*C. What the cause? 

154.A TENV (totally enclosed non ventilated) motor with class F insulation rating, must be connected with a conductor having what minimum insulation temperature rating in an area with ambient temperature of 40*C

• 90*C

• 100*C

• 120*C

• 110*C

155.  Where would you use a moulded case circuit breaker? 

• The circuit breaker is a recognized component of an approved series rated combination

  
  

• The circuit breaker

• combination

  
  

• The circuit component of an approved series rated combination

  breaker is a recognized
  

The circuit breaker is a recognized component of an approved series rated combination

• Excessive current over period of time

• period of time

• current over period of time

157. In a building each room has own thermostat. What is demand factor after the first 10KW?

• 1. 75%

• 1. 85%

• 1. 90%

• 1. 90%

158. HVAC system has heating load 10KW and A/C load 7.5KW. Which one would you use for calculation?

• 1. 7.5KW

• 1. 10KW

• 1. 15KW

• 1. 17.5KW