6. PVC boxes are primarily used in new construction because it is simple to

them to rafters or studs.

Welding never causes residual stresses in the work piece, which may result in distortion stress corrosion cracking, and reduced fatigue life. (True / False)

What is the ratio of the number of power strokes in the two-stroke cycle divided by the number of power strokes in the four-stroke cycle at a given value of engine revolutions per minute?

A rear wheel drive car of mass 1000 kg is accelerating with a constant acceleration without slipping from 0 to 60 m/s in 1 min. What will be friction force acting on each rear wheel of the car? (a) - 1000 N (b) - 60000N (c) - 30000N (d) - 500N

The composition of stainless steel is best described as an iron-carbon alloy with: Group of answer choices low carbon content, a little manganese and only residual amounts of other impurities. normally between 3.1 and 4.0 wt% carbon and some silicon.

Bonding in the intermetallic compound Ni3Al is predominantly metallic. Explain why there will be little, if any, ionic bonding component. The electronegativity of nickel is about 1.8

The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are95 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 7.2 MPa and thetemperature is 2150 K.

Explain two Types of bearing?

7 Single-use earplugs require a professional fitting before they can be used. A True B) False

Electric power is to be generated by installing a hydraulic turbine-generator at a site 138 m below the free surface of a large water reservoir that can supply water at a rate of 2400 kg/s steadily. Determine the power generation potential.

When the French horn plays with brass instruments, then it is played very softly to match the texture. True/False