Description : Riboflavin deficiency causes (A) Cheilosis (B) Loss of weight (C) Mental deterioration (D) Dermatitis
Last Answer : Answer : A
Description : State the causes of deterioration of liquid and solid dielectrics.
Last Answer : The causes of deterioration of liquid and solid dielectrics: 1. Voltage rating 2. Humidity in atmosphere or moisture content. 3. Temperature of the oil and solid dielectric material 4. Due ... cable joints and connection. 5. Increasing in supply frequency. 6. Due to unbalanced load.
Description : What are Common deterioration of lamp holders and their wire connection?
Last Answer : Feel Free to Answer
Description : Which of the following reflect the pathophysiology of cutaneous signs of HIV disease? a) Immune function deterioration Cutaneous signs may be the first manifestations of HIV, appearing in more ... Decrease in normal skin flora Cutaneous signs of HIV disease appear as immune function deteriorates.
Last Answer : a) Immune function deterioration Cutaneous signs may be the first manifestations of HIV, appearing in more than 90 per cent of HIV infected patients as the immune function deteriorates. Common complaints include pruritis, folliculitis, and chronic actinic dermatitis.
Description : Two types of waves are formed on a transmission line. What names are given to these waves?
Last Answer : Incident waves from generator to load. Reflected waves from load back to generator.
Description : . What are two of the three physical factors that determine the values of capacitance and inductance of a transmission line?
Last Answer : (1) Type of line used, (2) dielectric in the line, and (3) length of line.
Description : What characteristic is determined by the time required for a voltage wave to travel from the input end of an artificial transmission line to the output end and back again?
Last Answer : Pulse width
Description : The actions of the tr and atr circuits depend on the impedance characteristics of what length of transmission line?
Last Answer : Quarter-wavelength section
Last Answer : Pulse width.
Description : Is it possible for a transmission line to operate improperly at certain frequencies and properly at others?
Last Answer : Yes, it is quite common.
Description : At what points along a transmission line will a neon lamp glow the brightest?
Last Answer : At standing-wave voltage peaks.
Description : What is the result of an impedance mismatch between a receiver or transmitter and its transmission line or antenna?
Last Answer : High vswr, which equates to poor reception or a loss of power output.
Description : On an open-ended transmission line, the voltage is always zero at what distance from each end of the line?
Last Answer : One-fourth the distance from each end of the line.
Description : All the power sent down a transmission line from a transmitter can be transferred to an antenna under what optimum conditions?
Last Answer : When the characteristic impedance of the transmission line and the load impedance are equal.
Description : Describe the leakage current in a transmission line and in what unit it is expressed.
Last Answer : The small amount of current that flows through the dielectric between two wires of a transmission line and is expressed in micro ohms per unit length.
Description : A transmission line is said to have distributed constants of inductance, capacitance, and resistance along the line. What units of measurement are used to express these constants?
Last Answer : Inductance is expressed in micro henrys per unit length, capacitance is expressed in picofarads per unit length, and resistance is expressed in ohms per unit length.
Description : What must the physical length of a transmission line be if it will be operated at 15,000,000 Hz?
Last Answer : . λ = 20 meters
Description : What are the three types of line losses associated with transmission lines?
Last Answer : Copper, dielectric, and radiation.
Description : What type of transmission line is often used to connect a television set to its antenna?
Last Answer : Twin lead.
Description : What term is used for the end of the transmission line that is connected to an antenna?
Last Answer : Output end, receiving end, load end and sink.
Description : What term is used for the end of the transmission line that is connected to a transmitter?
Last Answer : Input end, generator end, transmitter end, sending end, and source.
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 main advantage of using a time-domain reflectometer (tdr) to test a transmission line?
Last Answer : Tdr will indicate the nature of and the distance to or location of any faults.
Description : To measure incident power, you must rotate the coupler detector of the wattmeter so that the arrow indicating power flow points toward which end of the transmission line?
Last Answer : Load.
Description : Today’s kids no longer ask their parents, they rather look online for the answer most of the time.
Last Answer : My opinion is that the parent should break the boundaries. I may be old-fashioned, but my child can't watch what he wants. There is a laptop and internet in vain. If I don't let something go, ... me about anything, I never bothered that I couldn't reach it. Luckily we have a good relationship :)
Description : What impact did slavery have on the deterioration of the Roman economy?
Last Answer : Need answer
Description : How do you treat gum deterioration and pain?
Description : Deterioration of food (rancidity) is due to presence of (A) Cholesterol (B) Vitamin E (C) Peroxidation of lipids (D) Phenolic compounds
Last Answer : Answer : C
Description : Which of the following statement(s) is/are true concerning the microvascular and cellular response to shock? a. Osmodically induced mobilization of intracellular fluid is the initial ... d. Abnormal intracellular calcium homeostasis may contribute to the cellular dysfunction of shock
Last Answer : Answer: c, d Moderate hypovolemia results in a relatively rapid spontaneous restitution of intravascular volume through expansion of the plasma space. This plasma expansion by ... potassium pump. Cellular dysfunction also appears to be related to abnormal intracellular calcium homeostasis
Description : The deterioration of a metal by an electrochemical process is commonly termed as – (1) Erosion (2) Corrosion (3) Passivation (4) Abrasion
Last Answer : (2) Corrosion Explanation: Corrosion can be defined as the deterioration of materials by chemical processes.
Description : Grounds occurring in electrical machinery as a result of insulation failure may result from _____________. A. deterioration through extended use B. excessive heat C. extended periods of vibration D. all of the above
Last Answer : Answer: D
Description : Diphenylamine is added to rubber to (A) Vulcanise it (B) Protect it from deterioration on exposure to air (C) Make it non-inflammable (D) Make it thermosetting
Last Answer : (B) Protect it from deterioration on exposure to air
Description : Mastication of rubber means (A) Its softening (B) A treatment to retard its deterioration due to oxidation (C) Improving its curing rate (D) Depression of its freezing point
Last Answer : (A) Its softening
Description : The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. (A) Abrasive (B) Corrosive (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (A) Abrasive
Description : What is balance in nature? What is the role of human in deterioration of this balance?
Last Answer : i) An ecosystem is self-sustaining system. Except energy (light) it does not require any thing from outside it. ii) The system is capable of maintain itself because of the delicate ... human activity. ii) Human are disturbing the balance through pollution and deforestation, on global environment.
Description : Which group of three of the following five statements (1-5) contain all three correct statements regarding beri-beri? 1. A crippling disease prevalent among the native population of sub-Saharan Africa. 2. A deficiency disease caused by lack ... and 5 (b) 1, 2 and 4 (c) 1, 3 and 5 (d) 2, 3 and 5
Last Answer : a) 2, 4 and 5
Description : The tissue structure deteriorates as the virus multiplies. This deterioration is called A.aneuploidy B.protopathic effect C.cytopathic effect D.none of these
Last Answer : C.cytopathic effect
Description : Digestion of wood-base materials (for manufacture of pulp) is done to (A) Remove lignin (B) Produce long fibres (C) Prevent deterioration on storage (D) None of these
Last Answer : (A) Remove lignin
Description : In connection with corrosion of metals, passivation is the process that (A) Intensifies deterioration (B) Changes the composition of the metal (C) Inhibits further deterioration (D) None of these
Last Answer : (C) Inhibits further deterioration
Description : Which of the following states is characterized by a decline in intellectual functioning? a) Dementia Dementia is an acquired syndrome in which progressive deterioration in global intellectual abilities is of ... is often called acute confusional state. d) Delusion Delusion is a symptom of psychoses.
Last Answer : a) Dementia Dementia is an acquired syndrome in which progressive deterioration in global intellectual abilities is of such severity that it interferes with the person’s customary occupational and social performance.
Description : Excessive camber on pavements may cause (A) Deterioration of central portion (B) Slip of the speedy vehicles towards the edges (C) Erosion of the berms (D) All the above
Last Answer : Answer: Option D
Description : The MIL is illuminated and a battery module deterioration diagnostic trouble code is stored the most like cause is a failed by a) High voltage battery b) High voltage inverter c) Motor/ generator d) DC/ DC converter
Last Answer : a) High voltage battery
Description : The deterioration of a metal by an electrochemical process is commonly termed as (1) Erosion (2) Corrosion (3) Passivation (4) Abrasion
Last Answer : Corrosion
Description : What causes the current-carrying area at the center conductor of a coaxial line to be restricted to a small layer at the surface?
Last Answer : Skin effect.
Description : . Why are coaxial lines more efficient at microwave frequencies than two-wire transmission lines?
Last Answer : The electromagnetic fields are completely confined
Description : What two components make up a simple synchro transmission system?
Last Answer : A synchro transmitter and a synchro receiver.
Description : What are two advantages of ssb transmission?
Last Answer : It saves power and frequency bandwidth.
Description : What are the two emi transmission methods?
Last Answer : . Conduction and radiation.
Description : How does temperature inversion affect radio transmission?
Last Answer : It can cause vhf and uhf transmission to be propagated far beyond normal line-of-sight distances.
Description : What are three ways of controlling radiated emi during transmission?
Last Answer : a) physical separation of the antenna (b) limiting bandwidth of the antenna (c) use of directional antennas