Description : Which of the following is not a feature of first generation computers A) They used vacuum tubes or valves as main electronic component B) They consumed lots of electricity and produced excessive heat C) They used machine language and assembly language to program the machine D) None of above
Last Answer : Answer : C
Description : The main electronic component used in first generation computers was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above
Last Answer : Answer : B
Description : What refers to the amount of heat removed from the cooled space in BTS’s for 1 watt-hour of electricity consumed? A. Cost efficiency rating B. Energy efficiency rating C. Coefficient of performance D. Cost of performance
Last Answer : Energy efficiency rating
Description : Approximately what percentage of the electricity produced in the United States is consumed by residential appliances? w) 20% x) 33% y) 50% z) 66%
Last Answer : ANSWER: X -- 33%
Description : In the normal resting state of humans, most of the blood glucose burned as fuel is consumed by (A) Liver (B) Adipose tissue (C) Muscle (D) Brain
Last Answer : Answer : A
Description : Combustion is the ideal air/fuel ratio where a. the mixing proportion is correct, b. the fuel is completely burned c. the oxygen is entirely consumed d. All of the above
Last Answer : d. All of the above
Description : Why are vacuum tubes also called valves? A) Because they can amplify the weak signals and make them strong B) Because they can stop or allow the flow of current C) Both of above D) None of above
Description : Which of the following statements comparing transistors and vacuum tubes is correct? A. Both transistors and vacuum tubes have a cathode that must be heated to give off electrons. B. A vacuum tube must ... flow. D. The anode of both transistors and vacuum tubes must be heated to give off electrons.
Last Answer : Answer: B
Description : Heat sinks are frequently used with _____________. A. power transistors B. vacuum tubes C. tunnel rectifier diodes D. all of the above
Last Answer : Answer: A
Description : cAN YOU GET VITRO IF YOU HAD YOUR TUBES TIED BUT NOT BURNED?
Last Answer : invitro fertilization involves extracting a egg from the ovaries. This is a surgical procedure which does not rely on the fallopian tube being intact. After extraction the egg is fertalized ... consult with a local medical professional for fees, scheduling and more information about the procedure.
Description : i have had my tubes cut and burned. i was wondering if it is possible to get pregnant artificially and carry the baby?
Last Answer : As long as your uterus is in good condition and you still ovaries that have viable(good) eggs, yes, you may get pregnant and carry the baby to term even if your tubes have been cut. The tubes are just passageways. After fertilization, the tubes have nothing to do with pregnancy.
Description : Which electronic component was made out of semiconductor material? A) Vacuum tubes B) Transistors C) ICs D) All of above
Description : First generation computers used for memory A) vacuum tubes B) silicon chips C) magnetic drum D) RAM
Description : Who invented vacuum tubes? A) John Bardeen B) William Shockley C) Lee de Forest D) All of above
Description : Chief component of first generation computer was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above
Description : First Generation computers used ______ for Circuitry and ________ for memory (A) Transistor and Magnetic Core (B) IC and Magnetic Memory (C) Vacuum tubes and Magnetic drum (D) IC and Magnetic Core
Last Answer : (C) Vacuum tubes and Magnetic drum
Description : First generation computer systems used 1) Transistors 2) Vacuum tubes 3) Magnetic cores 4) Silicon chips
Last Answer : 2) Vacuum tubes
Description : Which electronic component was use in first generation? 1) Vacuum tubes 2) transistors 3) IC chips 4) all above
Last Answer : 1) Vacuum tubes
Description : Which electronic component was use in first generation? 1 Vacuum tubes 2 transistors 3 IC chips 4 all above
Last Answer : 1 Vacuum tubes
Description : Fifth generation computers do not have : (1) Speech recognition (2) Artificial intelligence (3) Very large scale integration (4) Vacuum tubes
Last Answer : Vacuum tubes
Description : Before testing insulation with a megohmmeter, the windings of large machines should be grounded for about 15 minutes just prior to the test as the ______________. A. insulation may be damaged ... number of leakage paths D. larger machines may acquire a charge of static electricity during operation
Last Answer : Answer: D
Description : Pick out the wrong statement pertaining to the roll crushers. (A) Maximum feed size determines the required roll diameter (B) For hard material's crushing, the reduction ratio should not ... ratio and differential roll speed affect production rate & energy consumed per unit of surface produced
Last Answer : (C) Both the rolls run necessarily at the same speed
Description : In electronic computers, vacuum tubes were replaced by transistors and transistors have been replaced by what device?
Last Answer : Integrated circuits.
Description : Batch tray dryers suffers from the disadvantage of (A) High maintenance cost (B) Non-uniform & low production rate (C) High labour cost & low heat economy (D) All 'a', 'b' & 'c'
Last Answer : (C) High labour cost & low heat economy
Description : Pick out the wrong statement. (A) The value of hydrostatic head increases with increase in vacuum in the effect in a multiple effect evaporator system (B) Entering velocity of the liquid in ... a multiple effect evaporation system, the number of effects is limited by the total boiling point rise
Last Answer : (C) Duhring's plot is used for calculating the concentration of solution
Description : Units of electricity consumed by 2500 watt airconditioner in one hour are: A. 0.25 units B. 1.25 units C. 2.5 units D. 25 units
Last Answer : ANSWER: D
Description : Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax
Last Answer : (i) Connected load It is the sum of the power ratings (Watts or kW or MW) of all devices and machines existing (installed) in the premises of consumer. It is used to decide the ... a percentage of the total electricity bill which includes all amounts that go to the electricity supply agency.
Description : The main disadvantage of 'Radio' as an Advertisement medium is ____________ 1. No visual information 2. Narrow coverage 3. High cost 4. All of these 5. None of these
Last Answer : No visual information
Description : Does anybody make vacuum tubes anymore? All I ever find are surplus.
Last Answer : answer:Without details as to type, there are over 39,000 currently listed on eBay. I’d say they’re still manufactured since there’s also availability on Amazon.
Description : Why vacuum tubes are not preferred at microwave?
Last Answer : Actually three special purpose vacuum tubes were specifically designed for microwave usage and are in some cases still the least expensive way to work with high power microwave signals.These ... and the electromagnetic compatibility (EMC) testing industry for immunity testing of electronic devices)
Description : The method used to produce electron emission in most vacuum tubes is known as ____________. A. photoelectric emission B. secondary electric emission C. cold cathodic electric emission D. thermionic emission
Description : The HPAs in most satellite are A. TWTs B. Klystrons C. Vacuum tubes D. Magnetrons
Last Answer : A. TWTs
Description : Vacuum tubes have been replaced by-----? A. Conductors B. Diodes C. Transistors (Answer) D. None of these
Last Answer : C. Transistors (Answer)
Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above
Last Answer : Vacuum Tubes and Valves
Description : This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention (i) RAM (ii) ENIAC (iii) Transformer (iv) Transistor.
Last Answer : (iv) Transistor.
Description : How did vacuum tubes cause a problem for first generation computers
Last Answer : They were unreliable, required a lot of power to run, and produced so much heat that air conditioning was needed to protect computer parts.
Description : When designing vacuum-tube circuits, what characteristics of tubes must be taken into consideration?
Last Answer : Differences in performance of tubes of the same type
Description : Vacuum tubes are designed to operate in what portion of the Ep - Ip
Last Answer : The linear portion.
Last Answer : b. Vacuum Tubes and Valves
Description : is Ohms law applicable to vacuum tubes?
Last Answer : Ohm's law is not applicable to vacuum tubes.
Description : Why do people oppose the construction of Tehri Dam on the river Ganga and Sardar sarover project on the river Narmada. (Or) Mention three disadvantage of producing hydroelectricity by ... construction of dams for production of electricity adversely affects the environment of that place. -Biology
Last Answer : Answer. Large area is required to build the dam that result rehabilitation of displaced people.Large eco-systems are destroyed when submerged under the water in dams.The vegetation which is submerged rots ... and gives rise to large amounts of methane gas which leads to a green-house effect.
Description : What is the main disadvantage of Lamont boiler ? a. Less flexible in design b. Low heat transfer rate c. Formation of bubbles d. Low steam generation capacity
Last Answer : c. Formation of bubbles
Description : The main function of baffles provided in a shell and tube heat exchanger is to (A) Facilitate the cleaning of outer tube surface (B) Enhance turbulence (C) Hold the tubes in position (D) All 'a', 'b' & 'c'
Last Answer : (B) Enhance turbulence
Description : In case of Drip irrigation which of the following advantage is observed ? (A) It saves water (B) Root system of plant remains in upper layer of soil (C) Plastic tubes are not harmed by rats (D ... drip irrigation is very long (E) Where there is lot of rainfall, there are no limitation to such system
Last Answer : (C) Plastic tubes are not harmed by rats
Description : The hormonal alterations that follow operation and injury favor accelerated gluconeogenesis. This new glucose is consumed by which of the following tissues? A. Central nervous system. B. Skeletal muscle. C. Bone. D. Kidney. E. Tissue in the healing wound.
Last Answer : Answer: ADE DISCUSSION: Glucose is produced in increased amounts to satisfy the fuel requirements of the healing wound. In addition, nerve tissue and the renal medulla also utilize this substrate. Skeletal muscle primarily utilizes fatty acids, and bone utilizes mineral substrate
Description : High ash coals (A) Are soft & friable (poor strength and size stability) (B) Require longer time of carbonisation as ash offers resistance to heat transfer (C) Produce larger quantity of coke oven gas (D) None of these
Last Answer : (A) Are soft & friable (poor strength and size stability)
Description : Where can I get an electric fireplace that will not cost us a lot in electricity?
Last Answer : Almost anywhere. Your typical stores do sell electric fire places that don't use a lot of energy. Go to a near by store like Rona or Canadian Tire and ask an employee if they can help you find one.
Description : What is produced when a hydrocarbon fuel is burned?
Last Answer : Need answer