a gasoline engine provides more torque at lower speeds than an electric motor

Q: What is the least power requirement for a motor capable of lifting 500 lb at a constant speed of 15…

A: Weight = 500 lb Velocity = 15 ft/s Using power, weight and velocity relation

Q: 2 of 5 Review The cable is tied to the top of the ol rig, wraps around the lower pulley, then around…

A:

Q: Find the horsepower rating of a motor running at 1,500 rpm and developing a torque of 105 lb-ft.…

A: Power is defined as the rate of doing work by the device. If T be the torque developing by the…

Q: What is the effective component applied on the box that is being pulled by a 30 N force inclined at…

A:

Q: Which of the following statement is incorrect? Select one:

A:

Q: A robot is exploring​ Charon, the dwarf planet​ Pluto's largest moon. Gravity on Charon is 0.278…

A: Calculate the volume of spherical rock.   V=43πR3=43πD23=43π6 cm2×1 m100 cm3=1.131×10-4 m3…

Q: Many batteries in cellphones and new hybrid cars have what element as energy source

A: Given Data : Batteries Cellphones New hybrid cars

Q: A63 (a) State Newton's laws of motion. Explain how the newton is defined from these laws. (b) A…

A: Newton’s first law: It states that, " if a object is at rest or moving with a constant velocity in a…

Q: Compare the efficiency of solar panels to the efficiency of gasoline-powered engines. O The…

A:

Q: As fluids flow through pipes energy is lost due to friction which produces a pressure differential

A: f=∆P(D)2LρU2 D is the diameter of pipe L is the length of the pipe∆P f is the friction factor  ∆P is…

Q: Calculate the frictional power of an engine if the indicated power is 10 watts and the brake power…

A:

Q: 15- Which of the following is not an internal combustion engine a) 2-stroke petrol engine b)…

A: This question is based on the concept of internal and external combustion engines.

Q: The compressor is used to increase the flow energy of the gas Select one: True O False

A: Compressor is a mechanical device which used to increase the pressure of a gas in exchange of…

Q: Apply the concepts of energy conversion and conservation in a detailed explanation of the reasons…

A:

Q: Which of the following situations converts heat energy to mechanical energy?       turning the…

A:

Q: What is the fact that at some speed the volumetric efficiency of an engine is maximum, however it…

A: Volumetric efficiency is the ratio of the volume of the fuel sucked inside the engine to the actual…

Q: How are frictional losses measured in the drive line of a vehicle? By slowing down the dynamometer.…

A:

Q: A defibrillator passes a brief burst of current through the heart to restore normal beating. In one…

A: Given:C=36.4 μFVo=6 kVt=1 msR=240 Ω

Q: The wind turbine generates 420 kW of power. Losses in the gearbox are 1.2 percent, in the generator…

A: GivenPwind=420 kWlosses∆Pgr=-1.2%∆Pgn=-5.4%∆Ptr=-1.4%

Q: Which of the following wind turbine  has the simplest design?

A: Correct option is d) Multi bladed

Q: The frequency of the rotor circuit increase as the rotor speed decreases True O False O

A: True.

Q: the engine rpm is measured by measuring the current of an alternrator, driven by the engine…

A: the engine rpm is measured by measuring the frequency of an alternrator, driven by the engine

Q: Identify examples of motors used in a new automobile. For example, a motor is used to run the fan…

A: Motor Using in the Automobile:- The Motor is used to the transmitting the power from electric power…

Q: The best type of propellant for engines that need to turn and and off multiple times during a…

A: Option d is the correct answer

Q: An otto engine has a clearance volume of 7%. It produces 300 kilowatts of power. What is the amount…

A: Given data,  For Otto engine,  Vc=7% =0.07  W=300 kW  Need to find Q2  let Q1 be the heat addition…

Q: Which of the following wind turbine has high starting torque? a. Double bladed b. Multi Bladed c.…

A: Which of the following wind turbine has high starting torque?

Q: In IC engines the fuel kinetic energy is converted into useful work. fuel motion energy is converted…

A: In Internal combustion engine (IC engine) fuel is hydro-carbon compound which has chemical energy.…

Q: The belt drive used to transmit power at belt speed 15m/s is O None O Medium drive O Light drive O…

A: The classification of belt drive on the basis of their speed is described below. (1) Light drive…

Q: 15. A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is…

A: Given, Initial rotational speed = ω1 = 0 rpm = 0 rps (Starting from rest) Final rotational speed =…

Q: dx -4ху) 2x²–y² dy dx ||

A:

Q: Savonius type of vertically axis wind turbines need external power source for running. Select one: O…

A: The main rotor shaft in VAWTs is oriented transverse to the wind. This type's main components, such…

Q: dz=-5-t,y -1+t, z t-11,te A

A:

Q: Choice the correct answer of the following statements: 1. The power transmitted of two pulleys…

A: Solution.jpg

Q: A significant advantage of an ion engine for spacecraft propulsion is the fact that it a. can…

A: An Ion Engine uses electricity to create thrust for propulsion. This thrust is produced by the…

Q: n IC engines,the connecting rod converts reciprocating motion to rotary motion a. FALSE b. TRUE

A: The given statement is correct as in slider crank mechanism the the element which connect the slider…

Q: The hydraulic double acting actuator that converts the fluid energy into mechanical energy in the…

A: Correct answer: both

Q: The turbine is connected to generator which converts mechanical energy to electrical energy. A. True…

A: Turbine is a device in which kinetic energy is converted to mechanical energy. Generator is device…

Q: The energy head at the top of an open tank or reservoir is approximately equal to the elevation head…

A: Answer - True.

Q: 1 identify two types of coupling which provide a constant velocity plot. Explain how each coupling…

A: Constant velocity drive allows the driveshaft to transmit the power at different angles with a…

Q: Calculate the frictional power of an engine if the indicated power is 10 watts and the brake power…

A:

Q: True False A partical is said to be in equilibrium if it remains at rest if originally at rest, or…

A: Static equilibrium: A particular is said to be in static equilibrium if the net force acting on it…

Q: what is needed to utilize the use of power transmission belts to transmit power?

A: given; what is needed to utilize the use of power transmission belts to transmit power?

Q: ivers 100 kW brake power. It requires 25 kW to rotate it without fuel at the same speed. The…

A: given:brake power at full load=100kwindicated power =25kw

Q: Reaction turbines usually have a higher efficiency than impulse turbines. However, the amount of…

A: Dear student,                     You have asked multiple question, we will solve the first question…

Q: True or False:  The opposing torque is inversely proportional to the elasticity of the torsional…

A:

Q: HW-1- Find the Destination Numbers of following Refrigerant chemical formulas No. Refrigerant…

A: Given