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Technician a says the the ac system sould be evacuated so that all old oil is removed technician b says that evacuation is done to remove moisture from the system who is correct

Mateo asked Aug 8, 2020

by Mateo

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A 200-L tank (see Fig. P4.107) initially contains water at 100 kPa and a quality of 1%. Heat is transferred to the water, thereby raising its pressure and temperature. At a pressure of 2 MPa, a safety

Stranded Kid asked Aug 8, 2020

by Stranded Kid

5.5k points

1 answer

2 votes

135k views

g What property of flip-flops distinguishes them from latches? A. Flip-flops will never change state more than once per clock cycle, but latches can change state multiple times during a clock pulse. B.

Jervis asked Aug 7, 2020

by Jervis

6.2k points

1 answer

2 votes

149k views

40. Upon removal of a vehicle's left-front brake pads, one pad in the floating-type caliper is worn much farther than the other. What would most likely be the problem?

SeanRtS asked Aug 7, 2020

by SeanRtS

5.6k points

1 answer

2 votes

30.4k views

A storage tank, used in a fermentation process, is to be rotationally molded from polyethylene plastic. This tank will have a conical section at the bottom, right circular cylindrical mid-section and a

Lucazav asked Aug 7, 2020

by Lucazav

5.5k points

1 answer

4 votes

101k views

Air is compressed slowly in a piston-cylinder assembly from an initial state where P1 = 1.4 bar, V1= 4.25 m^3, to a final state where P2= 6.8 bar. During the process, the relation between pressure and

Jason Swett asked Aug 7, 2020

by Jason Swett

5.1k points

1 answer

0 votes

153k views

Calculate the tension in a rope with a diameter of 2 inches and a hanging load of 1000 lbs in: a. lbs/sq. in. b. mega pascal

Santthosh asked Aug 7, 2020

by Santthosh

5.5k points

2 answers

0 votes

153k views

If you see an animal on the road, steer _____. A. to the right, but stay on the road B. into the opposite lane to avoid it C. onto the shoulder to avoid it D. straight and brake hard

Savage Henry asked Aug 7, 2020

by Savage Henry

5.7k points

2 answers

5 votes

11.9k views

A rectangular block having dimensions 20 cm X 30 cm X 40 cm is subjected to a hydrostatic stress of -50 kPa (i.e. under compression). Calculate the change in length of each side. Data: Young's modulus

Amit Shah asked Aug 7, 2020

by Amit Shah

5.3k points

1 answer

2 votes

151k views

In a reversing 2-high mill, a series of cold rolling process is used to reduce the thickness of a plate from 45mm down to 20mm. Roll diameter is 600mm and coefficient of friction between rolls and strip

Ahmed Negm asked Aug 7, 2020

by Ahmed Negm

5.4k points

1 answer

1 vote

66.8k views

What is the difference between pump and turbine? Write the first law of thermodynamics for both (pump & turbine)?

Manz asked Aug 7, 2020

by Manz

5.8k points

1 answer

1 vote

136k views

Substance Specific Heat (cal/g°C) Specific Heat (J/g°C) water 1.00 4.18 steam 0.96 4.02 alcohol 0.59 2.47 ice 0.50 2.09 wood 0.41 1.72 oil (vegetable) 0.40 1.67 air 0.28 1.17 aluminum 0.22 0.92 brick 0.

JSR asked Aug 7, 2020

by JSR

5.9k points

2 answers

1 vote

169k views

Consider two copper wires with the same cross-sectional area. Wire A is twice as long as wire B. How do the resistivities and resistances of the two wires compare? Check all that apply. A. Wire B has twice

Pierce Hickey asked Aug 7, 2020

by Pierce Hickey

5.9k points

1 answer

2 votes

229k views

How does refrigeration preserve food and dead bodies

Julio Ojeda asked Aug 7, 2020

by Julio Ojeda

5.9k points

2 answers

0 votes

188k views

A PMMA plate with a 25 mm (width) x 6.5 mm (thickness) cross-section has a contained crack of length 2c = 0.5 mm in the center of the specimen. If the applied load (along the 2 length direction) is 1000

Roberto Conte Rosito asked Aug 6, 2020

by Roberto Conte Rosito

5.7k points

1 answer

3 votes

25.8k views

Two standard spur gears have a diametrical pitch of 10, a center distance 3.5 inches and a velocity ratio of 2.5. How many teeth are on each gear?

Stacii asked Aug 6, 2020

by Stacii

5.5k points

1 answer

1 vote

117k views

Consider laminar, fully developed flow in a channel of constant surface temperature Ts. For a given mass flow rate and channel length, determine which rectangular channel, b/a = 1.0, 1.43, or 2.0, will

Arni asked Aug 6, 2020

by Arni

5.6k points

1 answer

0 votes

185k views

What does WCS stand for? A. Western CAD System B. Worldwide Coordinate Sectors C. World Coordinate System D. Wrong CAD Settings

Alexander Subbotin asked Aug 6, 2020

by Alexander Subbotin

5.4k points

1 answer

1 vote

199k views

A computer has a two-level cache. Suppose that 60% of the memory references hit on the first level cache, 35% hit on the second level, and 5% miss. The access times are 5 nsec, 15 nsec, and 60 nsec, respectively,

Daniel Soutar asked Aug 6, 2020

by Daniel Soutar

5.7k points

1 answer

4 votes

114k views

1. Name four sources of fume?

MrClean asked Aug 6, 2020

by MrClean

5.8k points

1 answer

4 votes

59.0k views

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