Technician A says that the oxygen sensor provides the major input during the open-loop mode. Technician B says that the coolant temperature sensor input is not used during open-loop mode operation. Who is correct?

Q: Which of following system is not an open loop control system? O a. Air conditioner O b. Automatic…

A: Open loop control system is a type of system in which feedback is not provided to regulate the…

Q: The oil level sensor use the ... technic for * operation.

A: Oil level sensors: A oil level sensor works on the principle of buoyancy.

Q: While discussing EGR systems with a differentialpressure feedback electronic (DPFE) sensor:…

A: Exhaust Gas Recirculation (EGR) is a cost-effective and efficient method for lowering nitrogen…

Q: List four service precautions for working on thefuel injection system

A: In an internal-combustion engine, fuel injection is the introduction of gasoline into the cylinders…

Q: Direction control valves is an example of which element of closed loop system? O a. Correction…

A: Direction control valves are one of the most fundamental part of hydraulic system. it controls the…

Q: Which of the following will be used by a contact type sensor ? a. Ultrasonic Sound Wave b. Dial…

A:

Q: Explain the working of NDIR and chemical sensors of exhaust gas analyzers

A: NDIR (Nondispersive Infrared Sensors) It is a simple spectroscopic sensor that is used as the gas…

Q: .a. What is the purpose of thermostat number 2, IN7, in the mixing vat machine

A: To maintain the proper temperature, a thermostat regulates the flow of a heat transfer fluid or…

Q: Explain the Working of Ultrasonic Doppler flow sensor with Diagra

A: given: Explain the Working of Ultrasonic Doppler flow sensor with Diagram

Q: What are the different input to the ECM/PCM to control the duty of a variable valve timing system?

A:

Q: The function of filter drier in the refregeration system is to

A: A filter drier is a component employed in the air-conditioning systems or refrigerating systems, and…

Q: Identify the temperature sensor which has a operating range of -250 degree Celsius to 650 degree…

A:

Q: OBD II systems use several modes of operation. List three of them.

A: There are nine Global OBDII modes. Three of them are Monitor Status and Current Data, Freeze Frame,…

Q: Technician A says that the oxygen sensor provides the major input during the open-loop…

A: There are two modes of operations for the engine: (1) Open loop mode: In this mode, no feedback is…

Q: What are the two ways in which ventilation can be controlled?

A: Ventilation is basically an opening used to regulate the flow of air to maintain a certain regulated…

Q: controls on/off of the motor, when the air compressor tank reaches the specified bar.

A: Compressed and filtered air enters the tank after coming out of the Air compressor

Q: Describe the procedure for using air bleedvalves to purge air out of a cooling system.

A: Hot spots in the cooling system are usually caused by replacing a system component, refilling the…

Q: How does the IC Engineer keep the plant running smoothly and avoid plant shutdown?

A: IC engineers have a very important role in the plant in all fields where there is automation.IC…

Q: timing diagram with IPO, IPC, TPO, TPC,EPO, EPC as 35,35,40,40,35,50

A: The port timing diagram for required functions with angle is shown below.

Q: Conduct FTA(Fault Tree Analysis) for the hydrogen gas station. You should have at least 4 basic…

A: Given : To find: Fault tree analysis

Q: Identify the sensor which uses float for its operation.

A: Identify the sensor which uses float for its operation. Answer: Rotameter

Q: When the throttle plates are closed in a port injectionsystem, where does the air needed for idle…

A: Port fuel injection on which fuel is delivered directly into the cylinder head or intake manifold of…

Q: What is difference between AHU and FCU?

A: given:what is difference between AHU and FCU

Q: Which of the following is not a voltage-generating type sensor? vehicle speed sensor OSS MAP ISS

A: Voltage generating type sensors This type of generators consists of different types of speed sensors…

Q: Maintenance will extend the of the equipment.

A: 1. Maintenance is generally done for basically two requirements One is the regular maintenance to…

Q: How does the thermocouple sensor work?

A: We need to define a Thermocouple device.

Q: Discuss the effect of malfunctioning cooling system on IC engines.

A: Solution:

Q: How does the fault tolerance used by SONET work?

A: Fault tolerance is a feature of operating systems that allows them to adapt to hardware or…

Q: Filler Cap Fluid level sensor AA1 Car.com Secondary Secondary Piston Fluid Reservoir Primary Grommet…

A: The brake pedal applies the brakes when applied, slowing and/or stopping the car. To activate the…

Q: level sensors operate in a open control system. a. true b. false

A: It is false.  Ultrasonic level sensors operate in a close control system.

Q: Technician A says there is less heat energy in high octane gasoline and, therefore less power is…

A: Technician A says there is less heat energy in high octane gasoline and, therefore less power…

Q: What could be the problem when the vehicle’s domelight dims when a power seat is moved?

A: Circuit and fuses are impacted. The vehicles have three different types of dome lights. a. Door dome…

Q: In order to read the voltage generated from a Thermocouple, Select one: a. It should be connected to…

A: Thermocouple generate a temperature dependent voltage, that voltage signals are amplified by the…

Q: Introduction about Pnuematic Control of Double Acting Cylinder Using Counter and Timer

A: illustrating with the examples: Use a 5/2 pneumatically actuated control valve and use limit…

Q: While testing variable resistors: Technician A saysthat while checking a rheostat with a voltmeter,…

A: Given Variable resistor To find Which technician procedure is correct

Q: differentiate b/w overdamped, under damped , criticaly damped, undAmped system

A: The decay of oscillations in a system following a disturbance is described by the dimensionless…

Q: Write numerical port designations for a DCV Main supply port A Working Port Control Ports A Exhaust…

A: Now , as given Direction Control Valve Symbol . Figure showing 5/2 Direction Control Valve with…

Q: A thermocouple is an (active/passive) sensor.

A: To state whether thermocouple is an active or passive sensor.

Q: disadvantage of variable primary-only pumping system? A: Complexity of the chiller sequencing…

A: Ans; C is correct. All of above

Q: Thermal mass flow sensors are primarily used for _____ flow applications.

A: Explanation :- For the regulation of low gas flow Thermal  mass flow sensors are used. They operate…