Description : What is the main cause of intermodulation distortion?
Last Answer : Close spacing of transmitters and receivers.
Description : How does dc bias added to the input signal correct the distortion in the output signal?
Last Answer : The dc bias moves the input signal away from the step in the magnetism curve. This prevents the input signal from crossing the zero-point of the magnetism curve.
Description : Where would you find the wire identification system for a specific piece of equipment?
Last Answer : In the technical manual for the equipment
Description : What should you do if you become aware of a possible malfunction in a piece of electrical equipment?
Last Answer : You should immediately report this condition to a qualified technician
Description : Crosstalk due to incomplete suppression of sidebands or to intermodulation of two or more frequency-multiplexed channels which is unintelligible is classified as A. Impulse noise B. Thermal noise C. Quantizing noise D. Miscellaneous noise
Last Answer : D. Miscellaneous noise
Description : Which standard is utilized in intermodulation noise rates on PCM audio channels? A. CCIT Rec. G.151 B. CCIT Rec. G.172 C. CCIT Rec. G.190 D. CCIT Rec. G.190
Last Answer : B. CCIT Rec. G.172
Description : An interfering current in a telegraph or signaling channel due to telegraph or signaling current by another channel. A. Crosstalk B. Noise current C. Crossfire D. Intermodulation
Last Answer : C. Crossfire
Description : How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator ... high driving power D. By installing a low-pass filter in the antenna feed line
Last Answer : A. Through installing a band-pass filter in the antenna feed line
Description : What amplifier class of operation is the most inefficient but has the least distortion?
Last Answer : Class A.
Description : When measuring harmonic distortion, you set the signal generator to input a 15-kHz test signal. To what frequency should you set the wave analyzer?
Last Answer : 45 kHz.
Description : What number harmonic is the primary harmonic distortion in magnetic tape recorders?
Last Answer : Third-order harmonic.
Description : A recorder’s harmonic-distortion specification reads 2% third harmonic of a 100-kHz signal at 60 ips. What does this mean?
Last Answer : The recorder has 2% third-harmonic distortion of a 100-kHz signal at 60 ips.
Description : Which type of optical fiber (multimode or single mode) tends to have lower loss and produces less signal distortion?
Last Answer : Single mode fiber.
Description : An amplifier is said to suffer from distortion when its output is - (1) low (2) different from input (3) noisy (4) larger than its input
Last Answer : (3) noisy Explanation: Amplifier Distortion can take on many forms such as Amplitude, Frequency and Phase Distortion due to Clipping. For a signal amplifier to operate correctly without any distortion to the output signal, it requires some form of DC Bias on its Base or Gate terminal.
Description : Benefits of negative feedback include A. less distortion B. increased bandwidth C. low output resistance D. all of above
Last Answer : all of above
Description : To get minimum harmonic distortion in the output, a 3-Ф to 3-Ф cyclo-converter requires : (A) 12 SCRs (B) 18 SCRs (C) 36 SCRs (D) 72 SCRs
Last Answer : To get minimum harmonic distortion in the output, a 3-Ф to 3-Ф cyclo-converter requires : 36 SCRs
Description : The type of power amplifier that exhibits crossover distortion in its output is : (A) Class A (B) Class B (C) Class AB (D) Class C
Last Answer : The type of power amplifier that exhibits crossover distortion in its output is Class B
Description : my husband had a colon test,and they found a tumor a piece was sent for testing, now he will be having a ct scan, should we be worried?
Last Answer : what is my answer?
Description : What is the name given to a piece of pure semiconductor material that has an equal number of electrons and holes?
Last Answer : Intrinsic.
Description : When light strikes a piece of white paper, the light is reflected in all directions. What do we call this scattering of light?
Last Answer : Diffusion.
Description : What piece of workout equipment or weight loss program did you purchase from a TV infomercial?
Last Answer : None. Never. Zip. It all just seems ridiculous to me. That guy with the ponytail cracks me up.
Description : I am a piece of equipment that has hundreds of uses; I can even be used to save a life! I am not a medicine and I am non-electric. I come in all shapes and sizes. It doesn't require much specialist training to be used. What am I? -Riddles
Last Answer : A rope.
Description : What piece of equipment would most likely be used to separate the red blood cells from blood plasma?
Last Answer : Need answer
Description : What piece of equipment would iron and other metallic objects use to separate?
Last Answer : A magnet.
Description : When paddling a canoe a night witch piece of equipment should be carried to help avoid a collision?
Description : Which piece of commercial Gym Equipment is best for me to improve my overall fitness?
Last Answer : I think the Jillian Michaels Body Shop is a perfect piece of equipment for anyone looking to get a good kick of fitness everyday. It's very cost effective at only 200$ for the entire piece of equipment that works out every part of your body!
Description : What piece of home gym equipment is best for a quick work out?
Last Answer : If you are looking for a quick workout your best bet will be a machine that will combine cardio and strength training. You will want to check out a great elliptical machine for your workout needs.
Description : What is the first piece of home exercise equipment I should buy?
Last Answer : Depending on which muscle groups you would like to start working on, I would suggest a multi-gym or just some simple weight bars/barbells. Most people tend to gravitate toward the bench press weight ... I would shy away from that unless you are wanting to focus only on your chest and shoulders.
Description : Is an elliptical a good piece of gym fitness equipment for my home?
Last Answer : Yes, the elliptical is a good piece of gym equipment to have in your home because it gives you a smooth comfortable workout that simulates walking or running. Also you can use it for target areas by changing the incline.
Description : An insulation resistance test is performed on a particular piece of electric equipment. In addition to the resistance reading, what information listed below should be entered in the electrical log? A. ... D. The complete nameplate data from the resistance test instrument used to obtain the reading.
Last Answer : Answer: B
Description : Which of the following relatively small misstatements most likely could have a material effect on an entity's financial statements? a. A piece of obsolete office equipment that was not retired. ... that was not properly authorized. d. An uncollectible account receivable that was not written off.
Last Answer : An illegal payment to a foreign official that was not recorded.
Description : What piece of equipment would you use for floating on the sea?
Last Answer : AQUAPLANE
Description : What piece of equipment would you use to go diving in the sea, an aqualung or an aquaplane?
Last Answer : AQUALUNG
Description : Bob Roberts of Roberts Construction is planning to buy a piece of earth-moving equipment. He would most likely base his purchase decision on ______ of the alternative machines: A)description B)sampling C)inspection D)reputation
Last Answer : C)inspection
Description : When you are testing the gain of an audio-frequency transistor with an ohmmeter, what is indicated by a 10-to-1 resistance ratio?
Last Answer : Normal gain.
Description : What must be done to a circuit before you can use an ohmmeter for testing?
Last Answer : It must be de-energized.
Description : When you are testing an inductor with a Hay bridge, the characteristics of the inductor are compared with what type of device?
Last Answer : A standard capacitor
Description : In swept-frequency testing the impedance of a transmission line, what electrical characteristic is actually being measured?
Last Answer : Swr on the transmission line.
Description : What is the purpose of swept-frequency testing?
Last Answer : To determine various characteristics of a component, piece of equipment, or system over its operational frequency range
Description : When you are testing individual components in a circuit, what may cause a defective component to appear good?
Last Answer : A parallel resistor or diode of similar value.
Description : What is the most common method of testing resistive terminations?
Last Answer : Reading their resistances with a standard ohmmeter
Description : What is the most common method of testing a fixed rf attenuator?
Last Answer : Rf substitution method.
Description : When testing an SCR with an ohmmeter, the SCR will conduct if what two elements are shorted together?
Last Answer : Gate and anode.
Description : Why are digital multimeters well suited for testing sensitive devices?
Last Answer : The current flow through the component is limited to 1 milliamp.
Description : What equipment would I need for radon testing?
Last Answer : You need a radon detector to perform radon testing. Essentially it's a geiger counter. Radon is radioactive and you locate it just the same way. Many radon alarms are available for areas where Radon ... . You can purchase one from Amazon.com for $130 shipped. http://www.amazon.com/dp/B000CEAY64
Description : Where can I buy Hydrostatic Testing Equipment online?
Last Answer : Galiso Incorporated offers hydrostatic testing equipment. They offer free online training too. www.galiso.com
Description : Diabetes Testing Equipment ?
Last Answer : Diabetes testing equipment can be ordered through the mail so that you do not have to leave your home to buy it.
Description : Discharge switches are often located on hand-driven meggers. The purpose of these switches is to discharge capacitive charges stored in the _____________. A. megger hand generator B. megger movement coils C. tested equipment while conducting test D. tested equipment after testing
Last Answer : Answer: D
Description : When troubleshooting electronic equipment, the FIRST step to be taken before testing the circuit voltage is to _________. A. set the meter to the lowest range B. check the voltage supply from the power source C. remove the suspected component D. check the current flow through the circuit
Description : For ultrasonic testing, which of the following statements is true? a) It is easy to identify all defects b) The equipment shall be calibrated before use c) The equipment cannot be automated d) Sound waves will not travel through copper
Last Answer : b) The equipment shall be calibrated before use