FE Questions and answers rated A
15 kg/s of air are compressed from 1 atm and 300K (enthalpy of 300.19 kJ/kg) to 2
atm and 900K (enthalpy of 732.93 kJ/kg). Heat transfer is negligible. The air
compressor's power output is most nearly
(A) 5.6 MW
(B) 6.5 MW
(C) 7.6 MW
(D) 8.9 MW - B
What is most nearly the weight in lbf if a 1.00lbm object in a gravitational field of
27.5ft/s^2?
(A) 0.85lbf
(B) 1.2lbf
(C) 28lbf
(D) 32lbf - A
A rocket that has a mass of 4000 lbm travels at 27,000 ft/sec. What is most nearly
its kinetic energy?
,FE Questions and answers rated A
(A) 1.4 x 10^9 ft-lbf
(B) 4.5 x 10^10 ft-lbf
(C) 1.5 x 10^12 ft-lbf
(D) 4.7 x 10^13 ft-lbf - B
A 10kg block hangs from a cable. What is most nearly the tension in the cable?
(A) 1.0N
(B) 9.8N
(C) 65N
(D) 98N - D
A 10 kg block is raised vertically 3 m. What us most nearly the change in potential
energy?
(A) 30 J
(B) 98 J
(C) 290 J
(D) 880 J - C
,FE Questions and answers rated A
Find the slope of the line that passes through points (-3, 2) and (5, -2).
(A) -2
(B) -0.5
(C) 0.5
(D) 2 - B
A line goes through the point (4, -6) and is perpendicular to the line y = 4x+10.
What is the equation of the line?
(A) y=(-1/4)x -20
(B) y=(-1/4)x - 5
(C) y=(1/5)x + 5
(D) y=(1/4)x +5 - B
What is the slope of the line define by y-x=5?
(A) -1
(B) -1/5
, FE Questions and answers rated A
(C) 1/4
(D) 1 - D
What us the general form of the equation for a line whose x-intercept is 4 and y-
intercept is -6?
(A) 2x-3y-18 = 0
(B) 2x+3y+18 = 0
(C) 3x - 2y - 12 = 0
(D) 3x +2y + 12 = 0 - C
A circle with a radius of 5 is centered at the orgin.
What is the standard form of the equation of the line tangent to this circle at the
point (3, 4)?
(A) x = (-4/3)y - (25/4)
(B) y = (3/4)x + (25/4)
(C) y = (-3/4)x + (9/4)
(D) y = (-3/4)x + (25/4) - D
15 kg/s of air are compressed from 1 atm and 300K (enthalpy of 300.19 kJ/kg) to 2
atm and 900K (enthalpy of 732.93 kJ/kg). Heat transfer is negligible. The air
compressor's power output is most nearly
(A) 5.6 MW
(B) 6.5 MW
(C) 7.6 MW
(D) 8.9 MW - B
What is most nearly the weight in lbf if a 1.00lbm object in a gravitational field of
27.5ft/s^2?
(A) 0.85lbf
(B) 1.2lbf
(C) 28lbf
(D) 32lbf - A
A rocket that has a mass of 4000 lbm travels at 27,000 ft/sec. What is most nearly
its kinetic energy?
,FE Questions and answers rated A
(A) 1.4 x 10^9 ft-lbf
(B) 4.5 x 10^10 ft-lbf
(C) 1.5 x 10^12 ft-lbf
(D) 4.7 x 10^13 ft-lbf - B
A 10kg block hangs from a cable. What is most nearly the tension in the cable?
(A) 1.0N
(B) 9.8N
(C) 65N
(D) 98N - D
A 10 kg block is raised vertically 3 m. What us most nearly the change in potential
energy?
(A) 30 J
(B) 98 J
(C) 290 J
(D) 880 J - C
,FE Questions and answers rated A
Find the slope of the line that passes through points (-3, 2) and (5, -2).
(A) -2
(B) -0.5
(C) 0.5
(D) 2 - B
A line goes through the point (4, -6) and is perpendicular to the line y = 4x+10.
What is the equation of the line?
(A) y=(-1/4)x -20
(B) y=(-1/4)x - 5
(C) y=(1/5)x + 5
(D) y=(1/4)x +5 - B
What is the slope of the line define by y-x=5?
(A) -1
(B) -1/5
, FE Questions and answers rated A
(C) 1/4
(D) 1 - D
What us the general form of the equation for a line whose x-intercept is 4 and y-
intercept is -6?
(A) 2x-3y-18 = 0
(B) 2x+3y+18 = 0
(C) 3x - 2y - 12 = 0
(D) 3x +2y + 12 = 0 - C
A circle with a radius of 5 is centered at the orgin.
What is the standard form of the equation of the line tangent to this circle at the
point (3, 4)?
(A) x = (-4/3)y - (25/4)
(B) y = (3/4)x + (25/4)
(C) y = (-3/4)x + (9/4)
(D) y = (-3/4)x + (25/4) - D
