Aug 18

Easy Round

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If the product of the slopes of two straight lines is negative 1, one of these lines are said to be

.

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A regular polygon has 27 diagonals. What is this polygon?

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What common carboxylic acid is found in yogurt?

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The word electron comes from the Greek word “electron” which means

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The electric or magnetic effect of one body on another without any physical contact between them is called

.

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In a semiconductor diode, the total capacitance, that is the capacitance between terminals and electrodes, and the internal voltage variable capacitance of the junction is called

.

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This is a digital optical disc storage format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995.

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Contains seven bytes of alternating 0s and 1s that alert the receiving system to the coming frame and enable it to synchronize its input timing.

Moderate Round

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It is a mnemonic aid to easily find all relations between the angles and sides in a right spherical triangle.

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In how many ways can 9 different books be arranged on a shelf so that 3 of the books are never all together?

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A written contract to pay a certain redemption value on a specified redemption date and to pay equal dividends periodically.

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The solubility of the sucrose, a chemical name for sugar, is 490/100g at 100°C the solution is prepared by mixing 175 g sugar in .045 kg of water at 100°C. Determine the maximum amount of sugar that can be dissolved in the water at 100°C.

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What do you call the number of logic gates of the same family that can be connected to the input of a particular gate without degrading the circuit performance?

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A meter has a full-scale current of 50μA, what is its sensitivity?

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This is a multiplexing technique that takes advantage of the fact that the useful bandwidth of the medium exceeds the required bandwidth of a given signal.

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On a day when the speed of sound is 245 m/s, the fundamental frequency of a stopped organ pipe is 220 Hz. How long is this stopped pipe?

Difficult Round

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What is the maximum value of 3 - 2 cos x?

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It is that portion of a spherical surface between two parallel planes. A spherical zone of one base has one bounding plane tangent to the sphere.

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It is a process in which energy absorbed by a substance is released relatively slowly in the form of light.

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Heat is transferred to a heat engine from a furnace at a rate of 92 MW. If the rate of waste heat rejection to a nearby river is 45 MW determine the net power output and the thermal efficiency of this heat engine.

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A thin square steel plate, 10 cm on a side, is heated in a black-smith’s forge to a temperature of 800°C. If the emissivity is 0.60, what is the total rate of radiation of energy?

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A type of linear beam microwave tube that uses velocity modulation of the electron beam.

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An FM LOS microwave link operates at 6.15 GHz. The transmitter output power is 1 watt. The path length is 34 km; the antennas at each end have a 35-dB gain and the transmission line losses at each end are 3 dB. Find the received signal level (RSL) in dBm.