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 : 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 : The presence of standing waves on a transmission line is the result of A. a high level of attenuation on the line. B. terminating the line by a resistive load equal in value to the surge impedance ... input power to below its critical level. D. an impedance mismatch between the load and the line.
Last Answer : D. an impedance mismatch between the load and the line.
Description : What is the result of an impedance mismatch in a waveguide?
Last Answer : Standing waves that cause power losses, a reduction in power handling capability, and an increase in frequency and sensitivity.
Description : Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion: Fast decoupled load flow method gives approximate load flow solution because it uses several assumptions. Reason: Accuracy ... the correct reason for [a]. c) [a] is false and [r] is true.
Last Answer : c) [a] is false and [r] is true
Description : What term is used to express the efficiency of an antenna?
Last Answer : Power gain or power ratio
Description : What term is used to express the sensitivity of a voltmeter?
Last Answer : Ohms per volt
Description : In some cases, it’s also hard to map an object to XML (e.g., an object graph with cyclic references) because there’s actually an impedance mismatch between an object model and an XML model. a) True b) False
Last Answer : True
Description : Which of the following statement(s) is/are true concerning the pathophysiology of gas exchange? a. Hypoventilation in relation to perfusion can result in an oxygen saturation of less than 100% ... does not occur under normal circumstances d. The normal arterial oxygen saturation should be 100%
Last Answer : Answer: a, b Under normal conditions, red blood cells in the pulmonary capillaries become fully saturated and oxygen dissolves in plasma resulting in blood PO2 of 100 and O2 saturation of 100%. This ... the fact that normal arterial PO2 is 90-100 mm Hg and the normal O2 saturation is 98%
Description : Noise occurring in the presence of signal resulting from a mismatch between the exact value of an analog signal and the closet available quantizing step in a digital coder. A. Quantizing noise B. Thermal noise C. Impulse noise D. Crosstalk
Last Answer : A. Quantizing noise
Description : A satellite transmitter operates at 4GHz with an antenna gain of 4dBi. The receiver 40000 km away has an antenna gain of 50 dBi. If the transmitter has a power of 8 W, find (ignoring feedline losses and mismatch) the EIRP in dBW. A. 50 B. 69 C. 49 D. 30
Last Answer : C. 49
Description : Which knowledge base is called as fixed point? a) First-order definite clause are similar to propositional forward chaining b) First-order definite clause are mismatch to propositional forward chaining c) All of the mentioned d) None of the mentioned
Last Answer : a) First-order definite clause are similar to propositional forward chaining
Description : Select the mismatch. (a) Rhodospirillum – Mycorrhiza (b) Anabaena – Nitrogen fixer (c) Rhizobium – Alfalfa (d) Frankia – Alnus
Last Answer : (a) Rhodospirillum – Mycorrhiza
Description : Standing waves occurs due to a) Impedance match b) Impedance mismatch c) Reflection d) Transmission
Last Answer : b) Impedance mismatch
Description : Select the mismatch. (a) Gas vacuoles – Green bacteria (b) Large central vacuoles – Animal cells (c) Protists – Eukaryotes (d) Methanogens – Prokaryotes
Last Answer : (b) Large central vacuoles – Animal cells
Description : Strategic drift is…. A. When strategies progressively fail to address the environmental dynamics, and performance deteriorates. B. Mismatch between Vision Statement and Value Statement C. Mismatch between Vision Statement and Mission Statement D. Mismatch between Mission Statement and Resources
Last Answer : When strategies progressively fail to address the environmental dynamics, and performance deteriorates.
Description : Select the mismatch. (a) Cycas – Dioecious (b) Salvinia – Heterosporous (c) Equisetum – Homosporous (d) Pinus – Dioecious
Last Answer : (d) Pinus – Dioecious
Description : Which of the following are examples of repair mechanisms in cells? a. mismatch repair b. excision repair c. DNA polymerase d. DNA ligase e. all are important in fixing mutations
Last Answer : e. all are important in fixing mutations
Description : In which type of shock does the patient experiences a mismatch of blood flow to the cells? a) Distributive Distributive or vasogenic shock results from displacement of blood volume, ... intravascular volume. d) Septic In septic shock, overwhelming infection results in a relative hypovolemia.
Last Answer : a) Distributive Distributive or vasogenic shock results from displacement of blood volume, creating a relative hypovolemia.
Description : Unemployment that is caused by a mismatch between the composition of the labor force (in terms of skills, occupation, industries, or geographic location) and the make-up of the ... . Real wage unemployment B. Deficient-demand unemployment C. Frictional unemployment D. Structural Unemployment
Last Answer : D. Structural Unemployment
Description : The following factor delays induction with an inhaled general anaesthetic: A. Alveolar perfusion-ventilation mismatch B. Hyperventilation C. Low blood:gas partition coefficient of the anaesthetic D. Inclusion of 5% carbon dioxide in the inhaled gas mixture
Last Answer : A. Alveolar perfusion-ventilation mismatch
Description : Select the mismatch (1) Cycas – Dioecious (2) Salvinia – Heterosporous (3) Equisetum – Homosporous (4) Pinus – Dioecious
Last Answer : (4) Pinus – Dioecious
Description : Select the mismatch : (1) Rhodospirillum - Mycorrhiza (2) Anabaena - Nitrogen fixer (3) Rhizobium - Alfalfa (4) Frankia - Alnus
Last Answer : (1) Rhodospirillum - Mycorrhiza
Description : Unemployment due to mismatch between skill possessed and present available jobs (a) Cyclical unemployment (b) Structural unemployment ; (c) Frictional unemployment; (d) Seasonal unemployment
Last Answer : (b) Structural unemployment ;
Description : Cost push inflation arises due to (a) Persistent rise in factor cost ; (b) Mismatch between demand and supply of commodities (c) Combine phenomena of demand pull and cost-push inflation. ; (d) Increase in price of precious metal
Last Answer : (a) Persistent rise in factor cost ;
Description : Demand pull inflation rises due to (a) Persistent rise in factor cost ; (b) Mismatch between demand and supply of commodities (c) Combine phenomena of demand pull and cost-push inflation. ; (d) Increase in Price of precious metal
Last Answer : ; (b) Mismatch between demand and supply of commodities
Description : Unemployment that is caused by a mismatch between the composition of the labor force (in terms of skills, occupation, industries, or geographic location) and the make-up of the demand for ... unemployment ; (b) Deficient-demand unemployment ; (c) Frictional unemployment ; (d) Structural Unemployment
Last Answer : (d) Structural Unemployment
Description : What term applies to the use of two or more generators to supply a common load?
Last Answer : Parallel operation.
Description : What term applies to the voltage variation from no-load to full-load conditions and is expressed as a percentage?
Last Answer : Voltage regulation.
Description : Express the following in more simple terms. (a) 250,000 volts, (b) 25,000,000 microvolts, (c) 0.001 millivolt.
Last Answer : (a) 250 kV, (b) 25 V, (c) 1µV
Description : When taking a voltage measurement, which lead of the voltmeter should you connect to the circuit first?
Last Answer : Ground.
Description : On what range should you set the voltmeter prior to taking a voltage measurement?
Last Answer : Highest.
Description : What calibration label is used when actual measurement values must be known to use the test equipment?
Last Answer : CALIBRATED—REFER TO REPORT.
Description : What unit of measurement refers to the torque of a synchro transmitter
Last Answer : Ounce-inches.
Description : What radar scope uses a range step for range measurement?
Last Answer : The A scope.
Description : What is the primary measurement application for tuning forks?
Last Answer : They are used to monitor fixed motor speeds.
Description : What is the unit of measurement of apparent power?
Last Answer : Apparent power
Description : What is the unit of measurement of reactive power?
Last Answer : var.
Description : What is the unit of measurement of true power?
Description : When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?
Last Answer : When an installed optical fiber cable or cable plant is less than 50 meters in length.
Description : When using an American Standard Wire Gauge to determine the size of a wire, where should you place the wire in the gauge to get the correct measurement?
Last Answer : In the parallel walled slot not the circular area.
Description : What other measurement can an ohmmeter make?
Last Answer : Circuit continuity.
Description : What range of an ammeter is selected for the final measurement?
Last Answer : A range that allows a meter reading near the center of the scale.
Description : Why should you use the highest range of an ammeter for the initial measurement?
Last Answer : To prevent damage to the meter movement from excessive current.
Description : What are two ways that circuit measurement is used?
Last Answer : Circuit measurement is used to (1) monitor the operation of a piece of electrical or electronic equipment and (2) determine the reason a piece of electrical or electronic equipment is not functioning properly.
Description : The distance from a radar set to a target measured along the line of sight is identified by what term?
Last Answer : Range.
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 : On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in (A) Greater degree of separation with a fixed number of trays (B) Increased reboiler load
Last Answer : (C) Increased reflux ratio