• Barajar
    Activar
    Desactivar
  • Alphabetizar
    Activar
    Desactivar
  • Frente Primero
    Activar
    Desactivar
  • Ambos lados
    Activar
    Desactivar
  • Leer
    Activar
    Desactivar
Leyendo...
Frente

Cómo estudiar sus tarjetas

Teclas de Derecha/Izquierda: Navegar entre tarjetas.tecla derechatecla izquierda

Teclas Arriba/Abajo: Colvea la carta entre frente y dorso.tecla abajotecla arriba

Tecla H: Muestra pista (3er lado).tecla h

Tecla N: Lea el texto en voz.tecla n

image

Boton play

image

Boton play

image

Progreso

1/30

Click para voltear

30 Cartas en este set

  • Frente
  • Atrás
A transducer contains a chain of sensors?
(Yes -No)
No
An advantage of using negative feedback is that it will make the system tolerant to sensor inaccuracy?
(Yes -No)
No
Does the Arduino UNO board contain a microcontroller? (Yes - No)
Yes
Data Acquisition Boards always include some memory to store data?
(Yes - No)
No
In case of a linear transfer function, zero drift has an impact on accuracy?
(Yes - No)
Yes
If saturation is reached in a measurement system, does this imply a decrease of sensitivity?
(Yes - No)
Yes
Measurements from digital multimeter produce the following values (4.001; 4.002; 4.001; 4.001). Which is the resolution uncertainty?
(±0.001 - ±0.0005)
±0.0005
Is noise a source of systematic errors?
(Yes - No)
No
A linear transfer function can be calibrated with two measurement standards?
(Yes - No)
Yes
If the time constant of a system is 0.1 seconds does this mean that at 0.1 seconds it has reached half of the change it goes after step response?
(Yes - No)
No
First-order sensors such as temperature sensors may briefly oscillate after a sudden change in the stimulus (temperature)?
(Yes - No)
No
Assuming some level of noise, does it make sense to average output values from a measurement system in order to obtain a more precise measurement?<br />
(Yes - No)
Yes
Resistors with a ±0.05% tolerance will be significantly more expensive than resistors with a ±1% tolerance? (Assume that all other features are equal)
(Yes - No)
Yes
1.000x10^3 has four significant digits?<br />
(Yes - No)
Yes
How many significant digits 0.1 has?
(1-2)
1
How many significant digits 7.90 has?
(2-3)
3
Can you be sure about the number of significant digits in 7000?
(Yes - No)
No
How many digits you will use to report the result of 111 kg + 1 g?
(1-3)
3
How many digits you will use to report the result of 111 kg x 1 g?
(1-3)
1
How you will express the result of 1.2 kg - 0.02 kg?
(1.2 kg - 1.1 kg)
1.2 kg
If L=1. 00 km with an uncertainty of 0.10 km, how you will report the value?
(1.00±0.10 km - 1.0 ± 0.1 km)
1.00±0.10 km
Does the capacitance between two metallic plates increases as it distance decreases?
(Yes - No)
Yes
Transformers can be employed for increasing the power of signals?
(Yes - No)
No
Is cable shielding employed to minimize inductively coupled interferences?
(Yes - No)
No
Resistivity (ρ) units?
(Ω.m - Ω/m)
Ω.m
Electronic noise in a sensor can be minimized by amplifying its output signal?
(Yes - No)
No
If an AC current is applied through the body, which frequency is more likely to cause fibrillation?
(10 Hz - 100 kHz)
10 Hz
Are DC voltages safer than AC voltages?
(Yes - No)
Yes
Are battery powered devices free from electrical hazards?
(Yes - No)
No
Are Residual-Current Devices (RCDs) employed to prevent currents through the human body to earth?
(Yes - No)
Yes