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A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? ANSWER- Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What ...
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Add to cartA contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? ANSWER- Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What ...
A Latching relay: Used for call registration,direction selection or as selector relays Two types are: Set/Rest are electrical and Mechanical Latching relays Need to know latching relay symbol, Its a box with shaded triangle in lower right hand corner. ANSWER - Which relay do you need to Order ...
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Add to cartA Latching relay: Used for call registration,direction selection or as selector relays Two types are: Set/Rest are electrical and Mechanical Latching relays Need to know latching relay symbol, Its a box with shaded triangle in lower right hand corner. ANSWER - Which relay do you need to Order ...
An MOV burns out, you replace it but cannot read voltage or resistance. What should you do? ANSWER- Replace it with a larger one (630) * On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? ANSWER- Suicide circuit (425) ** ...
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Add to cartAn MOV burns out, you replace it but cannot read voltage or resistance. What should you do? ANSWER- Replace it with a larger one (630) * On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? ANSWER- Suicide circuit (425) ** ...
In a modernization they plan on moving the controller 30 feet away which ends up resulting in a voltage drop. What do you do? A) Call electric company for a step-up transformer, B) Use a bigger wire. ANSWER- B) Use a bigger wire. Governor trips at 115% of rated speed, the over speed switch trips...
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Add to cartIn a modernization they plan on moving the controller 30 feet away which ends up resulting in a voltage drop. What do you do? A) Call electric company for a step-up transformer, B) Use a bigger wire. ANSWER- B) Use a bigger wire. Governor trips at 115% of rated speed, the over speed switch trips...
E=__ANSWER - IR P=__ANSWER - IE Pie r^2 =ANSWER - Area of a circle 231 in^3 /____ANSWER - gal. 25.4mm/__ANSWER - in. 2.2kg/ANSWER - lb 3 phase rectifier output =ANSWER - 1.33 x input single phase output =ANSWER - 0.9 x input RMS (effective voltage) =ANSWER - 0.707 (PEAK V) ...
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Add to cartE=__ANSWER - IR P=__ANSWER - IE Pie r^2 =ANSWER - Area of a circle 231 in^3 /____ANSWER - gal. 25.4mm/__ANSWER - in. 2.2kg/ANSWER - lb 3 phase rectifier output =ANSWER - 1.33 x input single phase output =ANSWER - 0.9 x input RMS (effective voltage) =ANSWER - 0.707 (PEAK V) ...
ASME ANSWER- American Society of Mechanical Engineers DOSH ANSWER- Division of Occupational Safety and Health LADBS ANSWER- Los Angeles Department of Building and Safety Alteration made to conveyance shall comply with ASME A17.1-204 Section ANSWER- 8.7 The seismic section of ASME A17.1-2...
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Add to cartASME ANSWER- American Society of Mechanical Engineers DOSH ANSWER- Division of Occupational Safety and Health LADBS ANSWER- Los Angeles Department of Building and Safety Alteration made to conveyance shall comply with ASME A17.1-204 Section ANSWER- 8.7 The seismic section of ASME A17.1-2...
Which of the following is a term used to describe a body harness used in conjunction with a shock absorbing lanyard? ANSWER - Personal fall arrest system A mechanic is working on a construction job, and finds the carpenter using a powder activated tool to anchor wall track. Of the following, whic...
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Add to cartWhich of the following is a term used to describe a body harness used in conjunction with a shock absorbing lanyard? ANSWER - Personal fall arrest system A mechanic is working on a construction job, and finds the carpenter using a powder activated tool to anchor wall track. Of the following, whic...
wrench used for rail installation ANSWER- spud wrench The minimum clearance form the floor to the suspended ceiling is: a. 80" b. 96" c. 7'3" d. 8'2" ANSWER- a. 80" what should you be aware of when removing a cab for replacement? a. The weight that is to be removed from the ceili...
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Add to cartwrench used for rail installation ANSWER- spud wrench The minimum clearance form the floor to the suspended ceiling is: a. 80" b. 96" c. 7'3" d. 8'2" ANSWER- a. 80" what should you be aware of when removing a cab for replacement? a. The weight that is to be removed from the ceili...
Do cylinder and ram need to be replaced as a matching set? ANSWER- It is recommended to change both in a set Do selenium rectifiers pass current in one directions? ANSWER- Yes Is there should be oil on the ram when in use. ANSWER- Yes, there needs to be oil After a modernization is complete...
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Add to cartDo cylinder and ram need to be replaced as a matching set? ANSWER- It is recommended to change both in a set Do selenium rectifiers pass current in one directions? ANSWER- Yes Is there should be oil on the ram when in use. ANSWER- Yes, there needs to be oil After a modernization is complete...
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