Alternating Current MCQ [Free PDF]
Alternating Current MCQ are essential for assessing knowledge and understanding of this form of electrical current. MCQs help evaluate familiarity with AC generation, properties, and applications. By attempting these MCQs, individuals can strengthen their comprehension of topics such as voltage, frequency, phase, and AC …
Cooling Tower MCQ [Free PDF]
Consider the following statements for cooling towers: 1. Cooling tower is an artificial device used to cool the hot cooling water coming out of condenser more effectively. 2. The amount of water usually lost with induced draft cooling tower ranges from 5% to 6% by evaporation. 3.
Multiple-Choice Questions or Objective Type Questions on Thermal Power
So now let's start the objective-type questions or viva questions. MCQ questions or Viva Questions on Thermal Power Plant Engineering How much efficiency a typical thermal power plant has? 15-20%; 35-38%; 50-55%; 60-63%; Ans: (2) In a thermal power plant, ____ energy is converted into ____ energy; heat, electric; electric, heat; …
Transducers MCQ
In this article, we shared the transducers MCQ, objective questions, and answers for instrumentation, electrical, and electronics engineers. ... The transducers which require an external power and their output is a measure of some variables such as resistance, inductance, capacitance, etc., are called as ... Heat Flow Balance Systems Objective ...
Conservation of Energy MCQ [Free PDF]
The correct answer is 208.7 joule. Key Points. A sample of 0.1 g of water at 100°C and normal pressure (1.013 × 10 5 Nm-2) requires 54 cal of heat energy to convert to steam at 100°C.If the volume of the steam produced is 167.1 cc, the change in internal energy of the sample is 208.7 joule.. The first law of thermodynamics states that heat is …
Modes of Heat Transfer MCQ [Free PDF]
Get Modes of Heat Transfer Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Download these Free Modes of Heat Transfer MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC.
Power in Electric Circuits MCQ [Free PDF]
CONCEPT:. Power: The rate of work done by an electric current is called power.It is denoted by P. The SI unit of power is the watt (W). Power dissipation is given by: Power (P) = V I = V 2 /R = I 2 R. Where V is the potential difference across resistance, I is current flowing and R is resistance.
Top 50+ Heat and Temperature Objective Questions & Answers
Heat and Temperature Objective Questions and Answers Pdf for various Competitive Exams like NEET, IAS, IPS, SSC, SSC CGL, UPSC, GATE, CDS, NDA, RRB JE, Railway, IIT JEE, JEE Main, AIPMT and Other Entrance Exam Preparation. - 1. Heat and Temperature Objective Questions and Answers Pdf for various Competitive Exams like …
Radiation MCQ [Free PDF]
Radiation Question 2: Wien's law is stated as follows: λ m T = C, where C is 2898 μm.K and λ m is the wavelength at which the emissive power of a black body is maximum for a given temperature T. The spectral hemispherical emissivity (ε λ) of a surface is shown in the figure below (1 Å = 10-10 m). The temperature at which the total …
Heat Engine MCQ [Free PDF]
The efficiency of a heat engine (η): It is defined as the ratio of net mechanical work done per cycle the gas (W) to the amount of heat energy absorbed per cycle from the source (Q2). η η = W Q 2 == Q 2 − Q 1 Q 2. Where W is work done, Q 2 is heat taken from hot reservoir and Q1 is heat lost. Download Solution PDF.
Thermodynamics Questions and Answers
b) maximum work output, available energy. c) minimum work input, unavailable energy. d) none of the mentioned. View Answer. 7. The unavailable energy is the product of the lowest temperature of heat rejection and the change of entropy of system during the process of supplying heat. a) true. b) false. View Answer.
Engineering Thermodynamics MCQ (Multiple Choice Questions)
Section Learning Objectives. By the end of this section, you will be able to do the following: Explain how heat engines, heat pumps, and refrigerators work in terms of the laws of thermodynamics. Describe thermal …
Carnot Cycle Questions and Answers
This set of IC Engines Multiple Choice Questions & Answers (MCQs) focuses on "Carnot Cycle". 1. In a carnot cycle, the working medium receives heat at a _____ temperature. ... The outside temperature is -3ºC and the indoor temperature is 27ºC. If the heat loss from the house is 40kW, the power required to operate the heat pump is? a) 1kW ...
100+ TOP THERMAL Engineering VIVA Questions and Answers
Effectiveness ε = Actual heat transfer / Maximum possible heat transfer = Q / Qmax. 43. Power requirement of a refrigerator is_____. Inversely proportional to COP. 44. In SI units, one ton of refrigeration is equal to _____. ... Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva …
Engineering Thermodynamics MCQ (Multiple Choice …
Chapterwise Multiple Choice Questions on Engineering Thermodynamics. Our 1000+ MCQs focus on all topics of the Thermodynamics subject, covering 100+ topics. This will help you to prepare for exams, contests, …
Geothermal Energy Questions and Answers
Energy Engineering Questions and Answers – Geothermal Energy. This set of Energy Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Geothermal Energy". 1. The process of producing energy by utilizing heat trapped inside the earth surface is called _________. a) Hydrothermal energy. b) Geo-Thermal energy.
Power Engineering MCQ [Free PDF]
Process 2–3: Isobaric heat addition: The high-pressure liquid enters a boiler where it is heated at constant pressure by an external heat source to become a dry saturated vapour. Process 3–4: Isentropic expansion: The dry saturated vapour expands through a turbine, generating power. Process 4–1: Isobaric heat rejection:
Refrigeration Cycles and Devices MCQ [Free PDF]
Top Refrigeration Cycles and Devices MCQ Objective Questions . Refrigeration Cycles and Devices Question 6 Download Solution PDF. A Carnot heat pump works between 27° C and 327°C. ... temperature of – 23°C when placed inside a room at 27°C. Heat infiltration into the refrigeration is 0.5 kJ/s. The power required to pump …
[हिन्दी] Heat and Temperature MCQ [Free Hindi PDF]
Top Heat and Temperature MCQ Objective Questions . Heat and Temperature Question 6 ... IT Literacy MCQ Units and Measurements MCQ Work Power and Energy MCQ Mass Weight and Density MCQ Environment Education MCQ Engineering Drawing MCQ Speed and Velocity MCQ Basic Electricity MCQ Occupational Safety and …
100+ Basic Electricity Objective Questions and Answers
Basic Electricity Objective Questions. The below list provides all the multiple-choice questions related to basic electricity. Answers are available at the bottom of the article. 1. The minimum charge on an ion is. A) equal to the charge of an electron. B) equal to the charge of the number of electrons in an atom.
Available and Unavailable Energy MCQ [Free PDF]
Concept: Available energy: The portion of the energy supplied as heat that can be converted into work by a reversible engine is called available energy. It is also called exergy. It is a property that determines the useful work potential at a given amount of energy at some specified state. It is also known as availability. Since work is a function of the …
Top 50+ Heat and Temperature Objective Questions & Answers
heat-therodynamics-questions-answers.pdf. Heat and Temperature Objective Questions and Answers Pdf for various Competitive Exams like NEET, IAS, IPS, SSC, SSC CGL, …
Solar thermal power plant (MCQ) Objective Questions and answers
Solar thermal power plant (MCQ) Objective Questions and answers. 1. Which of the following processes take place in solar distillation. a) evaporation. b) condensation ... crop drying. c) pre-heat make up ventilation air. d) all of the above. Answer: pre-heat make up ventilation air. 3. The function of a solar collector is to convert _____ a ...
Programmable Logic Controller MCQ [Free PDF]
Programmable Logic Controller Question 3: Which of the following are the criteria for selecting a programmable logic controller, 1) Input and output capacity. 2) Size of memory needed. 3) Speed and power of CPU. 4) Physical and environmental conditions
Stefan–Boltzmann law MCQ [Free PDF]
Explanation: Stefan-Boltzmann law: The Stefan-Boltzmann law for the emissive power gives the total energy emitted by a blackbody. E b = σT 4. where E b is the emissive power of a blackbody, T is absolute temperature, and (σ = 5.67 X 10-8 W/m 2 /K 4) is the Stefan-Boltzmann constant.. According to Grashof's Law:
Boilers MCQ [Free PDF]
It transfers the heat produced by the combustion of fuel to water and, ultimately, produces steam. It transfers the heat to the atmospheric air and thereby, causes condensation of the steam. It transfers the water directly to the feed pump and develops electric power. It reduces the water energy storage capacity and diminishes the steam …
Heat Transfer Class-8th Goyal Brothers ICSE Physics Solution
OBJECTIVE QUESTION. Heat Transfer Class-8th Goyal Brothers ICSE Physics Solution Chapter-6 Unit-1. Que: A. Fill in the blank spaces by choosing the correct words from the list given below : List : contracts, heating, expand, linear, inflated. 1. The increase in length of an iron rod on heating is called linear expansion.
What Is Heat?
convection: Heat transfer into or out of fluids. heat: Thermal energy that flows due to a difference in temperature. Heat flows from hot …
Types of Resistors MCQs Questions and Answers
The aim is to provide MCQs on Resistor Types objective questions and answers to understand the concepts of Electronics History.If you are willing to learn the concepts of Basic Electronics MCQs multiple choice questions with answers, then read all the questions and answers. You will surely qualify for all kinds of Quiz/tests/Interviews …
Electricity Class 10 Important Questions with Answers Science …
Electricity Class 10 Important Questions Very Short Answer Type. Question 1. The power (P) in watts is found by multiplying the potential difference (V) in volts by the current (I) in amperes. Question 2. A charge of 150 coulomb flows through a wire in one minute.