ESAS quiz 6 part 2

The color of zinc is

• greyish white

• greenish white

• bluish white

• yellowish white

Which of the following computer languages is used for artificial intelligence?

• FORTRAN

• PROLOG

• C

• COBOL

The maximum moment induced in a simply supported beam of 20 foot span, by a 5,000 pound load at midspan is

• 10,000 lb-ft

• 25,000 lb-ft

• 20,000 lb-ft

• 12,500 lb-ft

A helical spring is made by wrapping steel wire 20 mm diameter around a forming cylinder 150 mm in diameter. Compute the number of turns required to permit an elongation of 100 mm without exceeding a shearing stress of 140 MPa. Use G = 83 GPa.

• 12.18

• 18.12

• 13.83

• 18.33

What is the maximum deflection, in cm, of a simply supported, 6 m long steel beam with a 5 cm × 5 cm cross-section if it has a 2000 N load at the midpoint?

• 6.35

• 7.02

• 7.63

• 8.23

During an isentropic expansion of air, the volume triples. If the initial temperature is 200 deg C, find T₂ in deg C.

• 32

• 28

• 16

• 8

A certain water faucet has 7 gpm flow rate. How many minutes can it fill a cubic meter drum?

• 43.8

• 46.2

• 32.2

• 37.7

The atmospheric pressure at sea level is

• 103 kN/m²

• 10.3 m of water

• 760 mm of mercury

• All of these

Property of a fluid by which its own molecules are attracted is called

• Adhesion

• Cohesion

• Viscosity

• Compressibility

If a 1/3 hp pump runs for 20 minutes, what is the energy used?

• 0.06 ergs

• 0.25 kN

• 0.30 MJ

• 0.11 kWhr