What is the most common size for heat strips in an electric furnace?

Q: How much current is considered a lethal amount

A: While any amount of current over 10 milliamps (0.01 amp) is capable of producing painful to severe…

Q: What are the desirable properties of a typical heating elements material

A: The heating element is in various electric heating equipment such as an electric heater, electric…

Q: Briefly explain the gas welding process with a neat diagram.

A: Gas welding : Gas welding is a welding process that melts and joins metals by heating them with a…

Q: Which process does not involve latent heat O Fusion O Vaporisation Sublimation none of the above

A: Given data To select the correct option.

Q: Why the maximum discharge rate should not be exceeded? a. Acetylene becomes unstable and could…

A: acetylene is non toxic ,odorless and very reactive gases , it can be used in gas cutting as well ass…

Q: Higher pairs are those which have Choose the correct option  Surface contact between elements…

A: Higher pairs are those which have Choose the correct option  Surface contact between elements Point…

Q: the open circuit voltage and

A: Given; In a DC are welding operation, the voltage-arc length characteristics was obtained as,…

Q: ylindrical rods can also be treated as being infinitely long when finding temperatures near the…

A: so we have to determine if it is appropriate to use cylindrical rod as as infinite long when we need…

Q: What type of heating is the best option needed for an aluminum cylinder to be heated evenly? Provide…

A: given; What type of heating is the best option needed for an aluminum cylinder to be heated…

Q: When brazing the cylindrical parts, we use the of filler metal. * Rod Ring None of the Mentioned…

A: [1  ]     brazing of cylindrical part  brazing = it is one of the type of joining process similar…

Q: What are fan laws?

A: When we are working on ventilation system redesign applications, the 3 Basic Fan Laws provide us the…

Q: 33- Which one of the followings is not used for heating the joining materials for soldering and…

A:

Q: When brazing the cylindrical parts, we use the of filler metal. *

A: Given:Brazing is the process of joining 2 or more metals.TIG means tungstun inert gas welding.PAW…

Q: What is the key to preventing accidents in a weldingshop?

A: Following the safety rules, regulations and the procedures for the welding process are the key…

Q: State and exolain Grashof's law for four-bar mechanis in detail

A: In a Four link mechanism, a four-bar linkage forms a closed loop and this can be further used in…

Q: Why must a welding machine’s duty cycle never beexceeded?

A: A load or circuit's duty cycle is the proportion of time spent ON to time spent OFF. Duty cycle,…

Q: What is restitution impulse?

A: Fig.1   Consider two bodies A and B of mass M as shown in Fig.1. When body A strikes to body B, a…

Q: Draw and enumerate the following parts of boiler mounting of Fire Tube Boiler and also the…

A: A boiler is a closed vessel or apparatus that is designed to generate steam or heat a fluid,…

Q: What are the disadvantages of forced oxidation (external) system?

A: Forced oxidation is used in Wet-Limestone Scrubbing system. Forced oxidation  is used to convert the…

Q: Provide a general description of electric arc furnace used in Industrial Manufacturing of Steel

A: following is the answer to the above problem

Q: Who invented sunflower solar panels and when?

A: Who invented sunflower solar panels and when?

Q: Iron heats up more rapidly than does aluminum because it has a greater specific heat. True False

A:

Q: Identify the wrong statement from the following O The radiation and hotness produced during welding…

A: [ 1  ]  REQUIREMENT OF WELDING ARE GOOD SHOES WITH RUBBER SOLE ,SO THAT TO AVOID SLIPPING . GOOD…

Q: Which of the following material have highet Heat Storage capacity ON Aluminum O b. Wood O c. Brass O…

A: The heat storage capacity may be defined as the heat stored in a material. To compare the heat…

Q: when must a thermostat be fully opened?

A: Solution:

Q: How is high efficiency accomplished in an airconditioningcondensing unit?

A: The Seasonal Energy Efficiency Ratio, or SEER, is a rating system that measures the maximum…

Q: Which of the following gases are most frequently used as shielding to provide an inert atmosphere in…

A: It is required to choose correct option

Q: A self-regulating arc is formed during GMAW: (while using small diameter electrode) if

A: Explanation A self-regulating arc or automatic welding we always used constant voltage power source…

Q: Where did the power output value (37,501.88 kW) came from

A: Given data:- turbine efficiency =85% Generator efficiency=95% Power output of the turbine=46442 KW…

Q: dentify the Gas welding flame Carbursing flame Arc welding flame Neutral Flame Oxidizing flame

A: The white flame indicates the Neutral flame  The redflame indicates the carburizing flame  The blue…

Q: In gas welding, the temperature at the core of the flame is _______________  .   3000 º C   30 º…

A: Gas welding is a welding process which joins the metal parts by heating them with a flame which is…

Q: Define the cutoff frequencies in plasma.

A: A cut off frequency is the breaking frequency from which the energy begins to reduce. It is the…

Q: arc welding, the transformer will sup O High voltage and low current O High voltage and high current

A: Given Data : Arc Welding Transformer

Q: Which one of the below is not the source of UV radiation? Sunlight Electric arc…

A: UV radiation is a form of electromagnetic radiation that comes from sun and some man made sources.…

Q: Metal water pipes and structural metal qualify as grounding electrodes. Select one: TRUE

A: given: Metal water pipes and structural metal qualify as grounding electrodes.

Q: What is a flame rollout safety switch used for in heating applications?

A: Due to improper maintenance of combustion chamber a problem arises which is called Flame rollout.

Q: Which of the following steam traps is preferred primarily for plate and tube coils operating under…

A: Free Float traps are more vitality proficient and strong within the same administrations, so…

Q: Consider a 4 stroke SI engine with a bore of 0.1 m. The spark is ignited 20 degrees bTDC. It takes 6…

A:

Q: In gas welding, acetylene is used as the source of heat. Select one: O True O False

A: Gas welding is one of the process of making permanent joints. It melts both the metals which are…

Q: types of welding seams and their uses

A: Answer is given below

Q: What is Nernst statement

A: Thermodynamics: It is a branch of science in which the study of the relation between the energy,…

Q: What should you do if you have to leave a piece of hotmetal unattended?

A: A responsible person should mark any hot metal with "HOT" before leaving the office in order to…

Q: analyze the advantages and disadvantages of selecting Gas coolant over oolant in fast breeder…

A: The advantage of the design is that the coolant can be heated to higher temperatures than water.…