Description : The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because - (1) the ringing is not loud enough (2) the glass of the bell jar absorbs the sound waves (3) the bell jar is too small (4) there is no air or any other gas in the bell jar
Last Answer : (4) there is no air or any other gas in the bell jar
Description : By what process is heat transmitted from the filament of an evacuated electric bulb to the glass? (a) Conduction (b) Convection (c) Radiation (d) Heat cannot be transmitted through vacuum
Last Answer : Ans:(c)
Description : 'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product ... 1 to 5 (B) 10 to 20 (C) 25 to 35 (D) 35 to 45
Last Answer : (B) 10 to 20
Description : Which of the following procedures should be used to maintain a large electric motor during periods of inactivity? A. A thin layer of air-drying varnish should be applied on the windings. B. ... periodically to remove carbon dust. D. Space heaters should be used to prevent condensation of moisture.
Last Answer : Answer: D
Description : Which of the following statements regarding evacuated tube collectors (ETC) are true? i) ETC is used for high temperatures upto 150oC ii) because of use of vacuum between two concentric glass tube, higher amount of heat is ... upon the ambient temperature i & iii b) ii & iii c) i & iv d) i & ii
Last Answer : d) i & ii
Description : For high grade instruments the steel preferred to, is (A) Cast steel (B) Bessemer steel (C) Mild steel (D) Whitworth compressed steel
Last Answer : Answer: Option A
Description : What is the term used in telephony and telegraphy for irregular disturbing radiation due to various causes and in a particular produced by arc transmitters causing a rushing sound in receiving telephones? A. Fax tone B. Mush C. Hiss D. Crosstalk
Last Answer : B. Mush
Description : Which of the following is a chemical change? (a) Evaporation of water (b) Burning of candle (c) Glowing of an electric bulb (d) Liquefaction of air
Last Answer : Ans:(b)
Description : Air is completely removed from an electric bulb to prevent (a) oxidation of tungsten filament (b) bursting of the bulb (c) loss of light due to absorption (d) none of these
Last Answer : Ans:(a)
Description : Have any other Angelinos been evacuated do to the fire?
Last Answer : I’ve been seeing the news coverage, but they are not saying exactly where the fires are. Good luck Tiny!
Description : Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain the origin of universe. Reason :- Due to big
Last Answer : Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain ... D. If both Assertion & Reason are false.
Description : Fill in the blank. Crashing refers to when the task duration’s are __ along the critical path to meet the project completion date. Select one: a. scope creep b. floated c. slack d. compressed e. expedited
Last Answer : d. compressed
Description : If a small electric motor has been submerged in saltwater for a short period of time, you should _____________. A. send it ashore for rewinding B. rinse it with warm freshwater and bake it dry ... and bake with internal heat D. clean it with carbon tetrachloride and blow it out with compressed air
Last Answer : Answer: B
Description : Fill in the blank. There is _______ correlation between project complexity and project risk. Select one: a. an unknown b. a positive c. no d. a negative e. a general
Last Answer : b. a positive
Description : In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To ... D) To fill a column in a tuple when that column does not really exist for that particular tuple.
Last Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL.
Last Answer : What to do if the elevator suddenly breaks. 1. Don't try to jump: Many people say that you have to jump when the lift is broken so that the balance of the lift is right with the balance of the ... the legs. 3. When the elevator falls, you should lie down on your back in the middle of the elevator.
Description : When hot-water is sprinkled on a hotter glass tumbler, it breaks because – (1) glass suddenly expands (2) glass suddenly contracts (3) water evaporates (4) glass reacts chemically with water
Last Answer : (2) glass suddenly contracts Explanation: If the poured liquid is relatively hotter or colder in comparison to the tumbler, it will break. When hot water is poured into a tumbler there is an uneven increase in the thermal expansion of the walls of the vessel.
Description : When hot-water is sprinkled on a hotter glass tumbler, it breaks because (1) glass suddenly expands (2) glass suddenly contracts (3) water evaporates (4) glass reacts chemically with water
Last Answer : glass suddenly contracts
Description : Which of the following represents the accepted method of cleaning dust and foreign particles from electrical equipment while limiting damage to electric components? A. Carefully wiping off the components ... the components. D. Using carbon tetrachloride as a cleaning solvent to clean the components.
Last Answer : Answer: C
Description : The tail of a comet always points away from the sun due to (a) force of repulsion (b) centrifugal force (c) solar radiation and solar wind (d) an unknown reason
Description : The cause of Heart attack is: (1) bacteria (2) virus (3) lack of blood supply to the heart (4) impairment of heart's working due to unknown reason
Last Answer : (3) lack of blood supply to the heart Explanation: Heart attack is the death of a segment of heart muscle caused by the loss of blood supply. It occurs when the blood flow that brings oxygen ... artery, one that supplies blood to the heart muscle, is blocked by a blood clot (coronary thrombosis).
Description : The cause of Heart attack is: (1) bacteria (2) virus (3) lack of blood supply to the heart (4) impairment of heart’s working due to unknown reason
Last Answer : lack of blood supply to the heart
Description : Are gases the only form of matter that can be compressed?
Last Answer : What is the answer ?
Description : The Department of Transportation regulations 49 CFR require which parameter to be recorded on the shipping paper for hazard class 2.2 nonflammable compressed gases?
Last Answer : no
Description : The core of the earth is thought to be composed of which of the following? w) basalt and granite x) compressed gases y) uranium and lead z) iron and nickel
Last Answer : ANSWER: Z -- IRON AND NICKEL
Description : In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear ... reaction C. Fission nuclear reaction D. Fusion nuclear reaction (Answer) E. None of these
Last Answer : D. Fusion nuclear reaction (Answer)
Description : What is the name of children who were evacuated from cities in WW2 (not 'evancuees'!)
Last Answer : Hmm good question.
Description : Why were the children evacuated in the world war 2?
Last Answer : To get them away from the bombing of cities during the blitz. Those evacuated (not all were, it was up to the parents) where sent into the countryside to stay with people that had room and could look after them.
Description : Why were children evacuated from London?
Last Answer : London was a prime target for German bombing raids. Londonchildren were therefore sent to the country to live so that theywould not be in danger. This also freed their parents (who stayedbehind) to work on the war effort.
Description : What did Alan miles say he was carrying with him when he evacuated in the movie evacuees?
Last Answer : Need answer
Description : To limit current in LED, resistor should be connected in A. parallel B. series C. evacuated flask D. ionized tube
Last Answer : series
Description : Suggest a reason for a bulb blowing in an electric circuit.
Last Answer : Ans: too much current flowing through the bulb
Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases
Last Answer : ANSWER: X -- FREE RADICALS
Description : When the mineral rich water from hydro thermal vent hits the surrounding sea water the minerals rushing out give the water appearance of?
Description : An emergency portable device to save a person from a rushing tsunami-?
Last Answer : Getting air would be a problem, as would being swept out to sea.
Description : Football nerds: What is the single game rushing record for a white running back?
Last Answer : answer:I found this list so far: 1. 296 yards - Adrian Peterson, MIN vs S.D. - 30 carries - 3 TDs 2. 295 yards - Jamal Lewis, BAL vs CLE - 30 carries - 2 TDs 3. 278 yards - Corey ... record for a white dude was necessarily before that date. It just means no white man ever got 273 yds after 1976.
Description : Is it normal to hear blood rushing to your head?
Last Answer : I hear it too. I think it;s called vascular tinnitus . Great question! For me when I go to bed it’s my heartbeat being echoed as a “whoosh whoosh whoosh” sound. Same for you?
Description : You go in me for brushing, For flushing, For rushing; But please go in me one at a time, Or someone might be blushing. What am I? -Riddles
Last Answer : A bathroom.
Description : Do you think rushing in a relationship, after another is bad move?
Last Answer : To start a relationship with someone you have to be confident with yourself, think deeply inside you, know yourself and be emotionally stable.If you have started a relationship followed by another ... what has failed in the previous relationship and be clear about your goals in the relationship.
Description : Why is my dog rushing at my sister's kids?
Last Answer : Your dog is behaving naturally-- he's defending "his" territory, which includes the garage and yard. It is not just being aggressive, but the dog also being afraid. Also, if you are hot in there ( ... to see the kids as belonging to him so he protects them, not as intruders to protect you against.
Description : How many NFL players have had 1,000 yards rushing and receiving in the same season?
Last Answer : Just three: Roger Craig, Marshall Faulk, and Christian McCaffrey.Most recently, McCaffrey inched over the 1,000-yard receiving mark in the Panthers’ final game of the 2019 season†he finished the year with 1, ... often lining up at receiver.The first to do it was Craig on the 1985 49ers. Like Mc
Description : If a student becomes unconscious in the class what will you do first? Options: A) Rushing to the principal's office and canvassing for help impatiently B) Telephoning student's parents and waiting for ... to him and trying to contact any nearby doctor D) making arrangement to send him to his home
Last Answer : C) Giving first aid to him and trying to contact any nearby doctor
Description : Suppose you are hurriedly rushing to your school in the morning. Meanwhile your eyes go across the road, where your student met an accident. What decision will you take under this critical condition ... want to take risk unnecessarily D) You are expressing the accident as an adventurous game
Last Answer : B) You reach the site, look after the student, after giving him first-aid, report to the police station and rush towards hospital
Description : If a student becomes unconscious during the period, what will you like to do? Options: A) Hurriedly rushing to the principal's office and canvassing for help impatiently B) Giving first aid to ... student's home and awaiting for his parents D) Making arrangements to send the student to his home
Last Answer : B) Giving first aid to the student and try to contact the school 's doctor
Description : Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions? A. Sealed motors B. Drip proof motors C. Enclosed motors D. Watertight motors
Description : "Electric flux enclosed by a surface surrounding a charge is equal to the amount of charge enclosed." This is the statement of
Last Answer : "Electric flux enclosed by a surface surrounding a charge is equal to the amount of charge enclosed." This is the statement of Gauss's law
Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank
Last Answer : Air-bags in automobiles.
Description : What's the reason for the enclosed English grammar usage?
Last Answer : “Were” is the subjunctive mood of “to be.”
Description : Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relative
Last Answer : Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. ... D. If both Assertion & Reason are false.